Which country has more nuclear stock piles during 1955-1975?

Question

Observe the graph given below and answer the following questions.

1. Which country has more nuclear stock piles during 1955-1975?

2. What is the number of warheads that United States had in 1965?

3. What led the countries to emerge camps after Second World War?

4. Why the countries decreased their nuclear stockpiles after 1990?

Answer 1

1) United States of America.

2) Nearly 30,000.

3) i) Ideological conflicts between US and USSR. 

ii) For military supremacy and to gain economic supremacy lead the countries to emerge camps after the Second World War.

4) i) Realised that war mongering and the consequent arms race only made the world more unsafe and increased the possibility of a disastrous war for all countries. 

ii) As a result of the pressures the USA and USSR, the main competitors in the arms race, signed on cut down their nuclear arsenal (SALT, START). 

iii) Cold war came to an end with the collapses of USSR in 1991; is also another reason for this.