The tensions between these two powers was referred to as ‘Cold war’.

Vietnam is a country in the continent of

The USA left Vietnam in the year

Napalm bombs were used by the USA on this country.

The Strategic Arms reduction Treaty was signed by USA and USSR in the year.

In USSR, a major accident took place in the nuclear reactor at

Greenpeace movement started as a protect nuclear tests near

Greenpeace has its headquarters at

A great gas tragedy happened in Bhopal in the year.

The Union Carbide Company responsible for the Bhopal gas tragedy was based in :