5.2.1

Build-Up to the Cuban Missile Crisis

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The Arms Race

After the USA used nuclear weapons to defeat Japan in World War 2, the Soviet Union began to focus on building its own nuclear weapons and a 'nuclear deterrent'.

1940s - The USA leads

1940s - The USA leads

  • On the 6th and 9th August 1945, the USA dropped atomic bombs on Hiroshima and Nagasaki, to defeat Japan and bring them to surrender.
    • This ended World War 2.
  • On the 29th of August 1949, the Soviet Union completed its development of an atomic bomb.
    • The USSR was 4 years behind the USA with its nuclear capabilities.
1950s - The USA leads

1950s - The USA leads

  • In 1952, the United States successfully built a Hydrogen bomb.
    • Experts estimate hydrogen bombs to be 1,000x more destructive than the atomic bombs used in Japan in 1945.
  • In 1953, the USSR built their own Hydrogen bomb (H-bomb).
    • They were now only 1 year behind the USA.
1950s - Neck and neck

1950s - Neck and neck

  • Atomic bombs and hydrogen bombs were important because they allowed countries to do lots of damage to their enemies.
  • Missiles became very important because they allowed countries to remotely fire lots of missiles at their enemies quickly.
    • The atomic bombs over Japan were dropped from planes.
1950s - Neck and neck (2)

1950s - Neck and neck (2)

  • In 1958, the USSR completed a test of an Intercontinental Ballistic Missile, called an ICBM.
    • These missiles could be fired 5,500km (the distance from Lisbon to New York over the Atlantic Ocean).
  • The USA developed ICBMs in 1959, but the USSR had taken the lead in the Arms Race.
Mutually Assured Destruction (MAD)

Mutually Assured Destruction (MAD)

  • Whilst the Soviet Union didn't have nuclear weapons (before 1949), the USA knew that in a war, it could use nuclear weapons and win.
  • After 1949, both the USA and USSR had nuclear weapons.
  • After 1959, both sides could fire nuclear weapons 5,500km at each other.
Mutually Assured Destruction (MAD) 2

Mutually Assured Destruction (MAD) 2

  • If there were to be a nuclear war between the 2 countries, it is likely that both countries would be completely destroyed, shooting missiles at each other.
    • This concept was called Mutually Assured Destruction (MAD).
    • This made using nuclear weapons seem like a worse option.
Jump to other topics
1

Was the Treaty of Versailles Fair?

2

Was the League of Nations a Success?

3

How did Hitler's Foreign Policy Impact the War?

4

Who was to Blame for the Cold War?

5

Did the US Contain the Spread of Communism?

6

How was USSR's Control Over Eastern Europe?

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