Why did president thomas jefferson commission general zebulon pike?

a. he wanted to find the source of the mississippi river.

b. he wanted to map the lower portion of the oregon territory.

c. he sought a quick trade route to the pacific coast.

d. he wanted a catalogue of the different animals in the louisiana territory.

The Cuban missile crisis showed that neither the United States nor the Soviet Union were ready to use nuclear weapons for fear of the other's retaliation (and thus of mutual atomic annihilation). The two superpowers soon signed the Nuclear Test-Ban Treaty of 1963, which banned aboveground nuclear weapons testing.

Explanation: