On what issue did the heads of state in both the United States and the Soviet Union agree during the period of détente,1969-1979?

A) withdrawal from conflicts in the southern hemisphere
B) nuclear arms reduction
C) environmental regulation
D) famine relief in Third World nations
E) sharing medical research

Détente

A period of improved relations between the United States and the Soviet Union during the Cold War, beginning in the late 1960s.

Nuclear Arms Reduction

Efforts and agreements aimed at reducing the number and capacity of nuclear weapons globally to prevent nuclear proliferation and decrease the likelihood of nuclear warfare.

United States

The United States is a federal republic in North America, comprised of 50 states, known for its significant influence on global politics, economy, and culture, and for its leadership in democratic values.