Causes and Consequences of WWI & WWII: A Comprehensive Overview

World War I: Causes and Key Developments

Underlying Causes

Militarism: Build-up of armed forces in preparation for war.

Alliances: Agreements between countries to defend or fight together.

Imperialism: Belief in building an empire and controlling less powerful countries.

Nationalism: Pride in one’s country, with a desire for self-governance and defense.

Timeline of Events Leading to WWI

1870: Franco-Prussian War (Alsace and Lorraine given to the German Empire)

1880: Increasing need for new markets

1882: British-Belgian Alliance

1882: The Triple Alliance (Germany, Austria-Hungary, Italy)

1900: Growing German Navy worries Britain

1904: France, with a strong army but weak navy, allies with Britain

1905: Russia asserts its power; The Schlieffen Plan is developed (attack France quickly, then Russia)

1906: HMS Dreadnought, a new battleship, sparks a naval race between Britain and Germany

1906-1911: Agadir Crisis strengthens the alliance between Britain and France

1907: The Triple Entente (France, Britain, Russia) forms in response to the Central Powers

1912-1913: Balkan Wars erupt, with conflicts between Serbia and the Ottoman Empire

Analyzing Propaganda Posters

  1. Description: Analyze the image, colors, and lettering style.
  2. Explanation: Connect the poster to its historical context and period.
  3. Interpretation: Understand the poster’s intention, both explicit (literal text) and implicit (underlying message).

Key Phases of WWI

Movement Phase (1914): Fighting begins on the Western and Eastern European fronts.

Trench Warfare (1915-1917): Stalemate and brutal fighting in trenches.

World Phase (1916-1918): War expands to the Mediterranean, Africa, and Asia.

Military Innovations in WWI

  • Trenches (Both Sides): For protection and cover
  • Zeppelin (Germany): For bombing raids
  • Air Attacks (Germany): For precise bombing
  • U-boats (Germany): To disrupt naval warships
  • Tanks (Britain): For secure movement across battlefields
  • Steel Helmet (Both Sides): For improved head protection
  • Uniforms (Britain): For camouflage
  • Camouflage (France): To avoid detection
  • Recruitment (France and Others): Mandatory conscription for war

World War II: Causes and the Spanish Civil War

Long-Term Causes of WWII

  • 1917: Russian Revolution
  • 1919: Treaty of Versailles signed
  • 1920-1936: Rise of Fascism in Italy
  • 1924: Hitler writes “Mein Kampf”
  • Oct 1929: Global Depression (Wall Street Crash)

Short-Term Causes of WWII

  • Jan 1933: Hitler becomes Chancellor of Germany
  • 1933: Hitler secretly rebuilds the German army
  • Oct 1935: League of Nations fails after Italy conquers Ethiopia
  • Mar 1936: Germany reoccupies the Rhineland
  • July 1936: Spanish Civil War begins
  • 1939: Rome-Berlin Axis formed (Hitler-Mussolini Alliance)
  • Mar 1938: Anschluss (annexation of Austria into Germany)
  • Sep 1938: Munich Agreement (Sudetenland given to Hitler)
  • Mar 1939: Nazis invade Czechoslovakia
  • Aug 1939: Nazi-Soviet Non-Aggression Pact
  • Sep 1939: Invasion of Poland (Trigger Event)
  • Sep 1939: Britain declares war on Germany; WWII begins

The Spanish Civil War (1936-1939)

Key Events

  • July 18, 1936: Military Coup D’État
  • Aug 1936 – Mar 1937: Battle of Madrid
  • Oct 1936: Franco becomes “Caudillo” and “Generalísimo”
  • Oct 7, 1936: Establishment of the Basque Government (Eusko Jaurlaritza)
  • Apr 1937 – Oct 1937: The North Front
  • July 1938 – Nov 1938: Battle of the Ebro
  • April 1, 1939: End of the War

Propaganda and Censorship

Propaganda: Biased communication designed to influence people’s opinions and beliefs.

Censorship: Suppression of information deemed harmful or sensitive by authorities.

  • Military Censorship: To protect sensitive military information.
  • Moral Censorship: To suppress content considered inappropriate.
  • Political Censorship: To prevent dissent and maintain political control.

Causes of the Spanish Civil War

Trigger Event

Military coup d’état.

Short-Term Causes

  • Radicalization of extreme political ideologies (Communists, Anarchists, Falangists).
  • Controversy over Republican reforms (universal suffrage, secularism, land reforms, education, regional autonomy).

Long-Term Causes

  • Political instability (weak governments, tensions over regional autonomy, military influence).
  • Social problems (influence of the Church, illiteracy, marginalized groups).
  • Economic inequalities (inefficient agriculture, limited industrialization, poverty, wealth disparity).

Consequences of the Spanish Civil War

  • Demographic: Decreased birth rate, war casualties, exile.
  • Social: Hardship, poverty, hunger, sickness.
  • Political: Dictatorship, abolished reforms, repression, divided society.
  • Economic: Destroyed resources, lower GDP.