WW2
WW1
First Industrial Revolution
Second Industrial Revolution
Cold War
100

What event started WWII?

Germany invaded Poland in 1939, prompting Britain and France to declare war.

100

What event sparked WWI?

The assassination of Archduke Franz Ferdinand in 1914.

100

What machine spun thread faster?

The Spinning Jenny increased thread production.

100

What helped move goods faster?

Railroads expanded rapidly.

100

What was the Berlin Airlift?

The U.S. and allies flew supplies into West Berlin.

200

What was the turning point on the Eastern Front? 

The Battle of Stalingrad stopped the German advance into the USSR.

200

What alliance included Britain, France, and Russia?

The Triple Entente.

200

What did James Watt improve?

He made the steam engine more efficient.

200

What was the telegraph?

A device that sent messages using Morse code.

200

What was the Cuban Missile Crisis?

A standoff over Soviet missiles in Cuba in 1962.

300

Where was the largest amphibious invasion? 

The Allies landed on the beaches of Normandy in 1944.

300

What was the policy of building up armed forces?

Militarism

300

What invention separated cotton fibers from seeds?

The cotton gin.

300

How did communication improve?

The telephone allowed voice communication over distance.

300

What was the space race?

The U.S. and USSR competed in space exploration.

400

Which battle was fought entirely by air forces in 1940? 

The Battle of Britain was an aerial fight over the UK.

400

How did nationalism play a role?

National pride and ethnic tensions increased conflicts.

400

 What powered early factories? 

Water wheels and later steam engines.

400

What linked cities and markets?

Railroads and telegraph lines connected the country.

400

What was the Berlin Wall?

A wall was built to separate East and West Berlin.

500

What was the last major German offensive in the west?

The Battle of the Bulge was Germany’s final push in 1944–45.

500

Which alliance included Germany and Austria-Hungary?

The Triple Alliance.

500

What device helped weave cloth faster?

The power loom automated weaving.

500

What powered transportation?

Electricity powered trolleys and subways in urban areas.

500

What ended the Cold War?

The collapse of the Soviet Union in 1991.

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