What two things were accomplished in the strategic arms limitation treaty ii signed by president carter and premier brezhnev?
a. it stopped the spread of nuclear weapons in space.
b. it banned any new development of nuclear weapons.
c. it controlled what nations got to have nuclear weapons.
d. it managed to reduce the size of their nuclear arsenals.

The Strategic Arms Limitation Treaty II aimed to:

b. Banned any new development of nuclear weapons

d. Managed to reduce the size of their nuclear arsenals

Explanation:

The Strategic Arms Limitation Treaty II or SALT II was the continuation of a previous attempt to regulate the nuclear arms threat between the US and the USSR.  This happened during a period known as the Cold War where the world was divided into 2 blocks competing for power: the Capitalist block led by the US, and the Communist block led by the USSR.

Both countries had developed large arsenals of nuclear weapons and a war between them would've had catastrophic consequences.  Talks between President Jimmy Carter and Premier Brezhnev began in November 1974.  They agreed to: limit the size of their nuclear arsenals, limit the development of new weapons, and limit the deployment of new offensive weapons.  

The treaty was signed on June 18, 1979.