What did the U. S. and the Soviet Union agree to do on December 8, 1987? A. They decided to keep testing their atomic bombs out in the open
B. They agreed to destroy all of their medium-range missiles.
C. They agreed to work together and give each other weapons

B. They agreed to destroy all of their medium-range missiles.

Explanation:

On December 8, 1987, Reagan and Gorbachev signed the INF Treaty in Washington, D.C. The final treaty eliminated an entire class of nuclear weapons, restricting the deployment of both intermediate and short-range land-based missiles worldwide.

i see, would you mind putting it as one?

there were 6 major base camps.   the base camps were located in alva, fort reno, fort sill, the madill provisional internment camp headquarters, mcalester and camp gruber.