math

ww2

100

World War II started when Germany invaded which country?

poland

200

why did the u.s. bomb hiroshima and nagasaki

to force Japan's unconditional surrender, ending World War II

300

Early in the war, in his first address to the British House of Commons, Prime Minister Winston Churchill said, “I have nothing to offer but…”

“Blood, toil, tears and sweat.”

400

what is the 2nd bomb in ww2 called

fat man

500

Which of these best describes blitzkrieg, which was key to Germany’s early success in the war?

Quick coordinated attacks

ww1

100

Imperialism:

Competition for colonies and resources among European powers fueled rivalry and mistrust

200

Nationalism:

Strong national identities and the desire for self-determination in regions like the Balkans created tensions

300

what is The assassination of Archduke Franz Ferdinand

This event, on June 28, 1914, provided the spark that ignited the powder keg

400

What new technologies were used in World War I?

• Trench warfare: Sustained combat in dug-out trenches, which often resulted in long periods of stalemate. 
• Machine guns: These weapons made it difficult for soldiers to advance across open ground.
• Poison gas: This caused great suffering and casualties, and was used by both side
• Tanks: These armored vehicles were developed to break through enemy lines. 
• Aircraft: used for reconnaissance and air combat, the introduction of planes changed the nature of warfare.

500

Who were the main combatants in World War I?

• Allied Powers: France, Great Britain, Russia, Italy, Japan, and later the United States.
• Central Powers: Germany, Austria-Hungary, and the Ottoman Empir

cold war

100

What was the Cold War?

The Cold War was a period of intense rivalry and tension between the United States and the Soviet Union, along with their respective allies, after World War II.

200

What were the key features?

• Ideological conflict: The US promoted capitalism and democracy, while the USSR promoted communism.
• Nuclear arms race: Both superpowers developed and stockpiled nuclear weapons, leading to the constant threat of nuclear war. 
• Proxy wars: The superpower supported different sides in conflicts around the world, like the Korean and Vietnam Wars.

300

Difference on the goals of the US and the USSR after WWII?

USSR wanted to spread communism to other countries. US wanted to build it's economy back up.

400

Why did the Cold War end?

• 
  

  Economic Strain:The Soviet Union's massive military spending and inefficient economy strained its resources, contributing to its decline. 

• 
  

  Political Reform:Reforms under Soviet leader Mikhail Gorbachev, such as glasnost and perestroika, weakened Soviet control over Eastern Europe and contributed to the dissolution of the Soviet Union. 

• 
  

  Weakened Soviet Influence:The Soviet Union's military intervention in Afghanistan further weakened its position and caused more countries to declare their independence. 

• 
  

  Improved Relations:The U.S. and Soviet Union entered a period of détente, with leaders like Reagan and Gorbachev working towards reducing nuclear tensions and improving relations. 

  .
  End of Cold War:The fall of the Berlin Wall and the dissolution of the Soviet Union marked the official end of the Cold War.
  
  

500

Key Events and Crises:

• 
  

  Berlin Blockade and Airlift (1948-1949):.Opens in new tabThe Soviet Union blocked land access to West Berlin, prompting the US and its allies to supply the city by air. 

  
  

math

100

If a store has 25 apples and sells 12, how many apples are left?

13

200

60-606060606060

606060606000

300

300-200

100

400

3 x 3 - 3 ÷ 3 + 3

5

500

Ex³ + y³ + z³ = k

x=k−y3−z33x equals the cube root of k minus y cubed minus z cubed end-root

math

100

1010+1010

0

200

200200-200

200000

300

300300-300

300300-300

400

45454545 ÷ 6350 × 69

493915.528346

500

 anx^n + an-1x^(n-1) + ... + a1x + a0 =

0