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.

must repent and believe in god.

or the book

journey across time - chapter 10 "the rise of christianity"