Question

the signing of which treaty marked the end of the nuclear arms race in 1991? limited test ban treaty strategic arms reduction treaty treaty of paris

Explanation:

The Strategic Arms Reduction Treaty (START I) was signed in 1991 between the United States and the Soviet Union. It aimed to reduce and limit strategic offensive arms, marking a significant step in ending the nuclear arms race. The Limited Test Ban Treaty was signed in 1963 and prohibited nuclear weapon tests in the atmosphere, outer space, and underwater. The Treaty of Paris has multiple versions (e.g., 1783, 1815) but none related to ending the 1991 nuclear arms race.

Answer:

Strategic Arms Reduction Treaty