The Spanish-American War of 1898: Loss of the Spanish Empire

The War in Cuba

Loss of the Spanish Empire

During the reign of Fernando VII, most of the Spanish Empire gained independence. Only Cuba, Puerto Rico, and the Philippines remained under Spanish rule.

Independence movements coincided with the rise of European imperialism and the expansion of the United States, which had become a major industrial and military power.

Colonial Policy and its Failure

The Spanish government’s response to the separatists’ demands was inadequate and unsuccessful. Minister Antonio

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Crime and Punishment: A Historical Perspective

Section 1: Crime and Punishment

Crime

The public authority that governs society determines the foundations for coexistence and prohibits acts that endanger it. The number and types of prohibited acts depend on the specific historical moment. An act can be inconsequential at one time and acquire great significance in another. The importance of criminal law is inversely proportional to the development of society. Criminal laws prevail over civil laws when society is weak, such as among primitive peoples

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Plant and Animal Tissues: Structure and Function

Plant Tissues

1. Meristematic Tissues

These small, polyhedral cells have thin walls, few vacuoles, and are found in apical and lateral meristems.

Apical Meristems

Responsible for primary growth (lengthening) at the tips of roots and stems.

Lateral Meristems

Responsible for secondary growth (thickening). Two types:

  • Vascular Cambium: Produces vascular tissues.
  • Cork Cambium: Produces cork (suber).

2. Permanent Tissues

Organized into three systems:

Ground System

  • Parenchyma: Living cells.
  • Collenchyma: Living cells
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Plato’s Philosophy: A Comprehensive Overview

Paths to the Seizure of Ideas

  1. Memory or Recollection

    Plato’s theory of myth, rooted in Orphic-Pythagorean origins, posits the immortality of the soul and the existence of two worlds: perfect and imperfect. The soul, belonging to the perfect world, is punished by being trapped in the body. The theory of reminiscence suggests that knowing is remembering. Before joining the body, the soul contemplates ideas in the “eternal time” (Meno). True knowledge is achieved through remembering these ideas.
  2. Philosophy

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Greenhouse Climate Control: Light, Temperature, and Humidity Management

Control of Light

Using shaders, mesh, and covers, artificial light contributes to influencing plant growth.

Mesh Shading

  • Polypropylene woven raffia: Available in different colors, especially white and black.
  • Transparent polyester: High opacity to longwave radiation, preventing heat loss at night during the cold season. Used to retain heat accumulated during the day. Also used to protect from excessive solar radiation.

Whiteners (Covers)

Used to reduce solar radiation and luminosity during periods of excessive

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Rationalism vs. Empiricism: A Philosophical Showdown

Rationalism vs. Empiricism

Rationalist Doctrine

Rationalism prioritizes reason as the primary source of knowledge, rejecting revelation, faith, and sensory experience. This philosophy originated with Descartes.

Key Principles of Rationalism

  • Confidence in Human Reason: Reason is the sole power leading to truth, opposing potentially misleading senses.
  • Mechanism: The world, modeled as a machine, reduces to matter and motion.
  • Evidence: Absolute certainty is achievable through reason, though it can be hindered
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The Poetic Journey of Juan Ramón Jiménez

His Poetry

Juan Ramón Jiménez, though belonging to the second generation of his time, maintained close ties with the surrounding generations. He embraced modernism, influencing many avant-garde authors. He pursued truth and eternity through his work, believing that beauty is the key to achieving them. He viewed poetry as a source of knowledge, a way to capture the essence of things.

Jiménez’s poetry is pantheistic, accurate, and precise. His style evolved, marking two distinct periods in his work.

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Nucleic Acids: DNA and RNA Structure and Function

Nucleic Acids: Components

DNA

Deoxyribonucleic acid (DNA) is a macromolecule composed of nucleotide chains. It consists of two nucleotide chains. The base pairs are adenine (A) with thymine (T), and guanine (G) with cytosine (C). DNA is highly conserved across organisms, with the exception of some viruses. In eukaryotic cells, DNA resides within the nucleus. In prokaryotic cells, it’s found freely in the cytoplasm. In chloroplasts and mitochondria, DNA is associated with histone-like proteins, similar

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Ancient Civilizations: Roman, Mayan, Aztec, and Inca Art & Architecture

1. Roman Art and Architecture

Architecture

Romanesque architecture focused on building enduring temples of great size, resistant to destruction.

Architectural Orders

Architectural orders are systems that imbue buildings with specific characteristics associated with a particular style and historical period.

Composite Order

The Composite order, not among the Greek orders (Doric, Ionic, and Corinthian), is a Roman contribution to the classical orders, originating in Tuscany.

Tuscan Order

The Tuscan order,

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Agricultural Landscapes of Spain: A Diverse Overview

Agricultural Landscapes of Spain

Wet Agricultural Landscape (North and Northwest)

This region features small, irregularly shaped, fenced plots. Narrow roads and irregular paths traverse the landscape. Natural vegetation thrives in rugged areas, while flatter areas are dedicated to intensive cultivation. Due to the wet climate, irrigation isn’t necessary, resulting in high productivity from modern farming practices. While traditionally densely populated, settlement is now dispersed, with houses spaced

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