What led to the revival of the Cold War in the early 1980s, and how did Ronald Reagan turn the conflict with the Soviet Union to American advantage?

Two contributing factors were the Soviet invasion of Afghanistan and the election of Ronald Reagan in 1980. ... Changes of leadership elsewhere – such as Margaret Thatcher's election in Britain and Brezhnev's decline in the USSR – also contributed to this revival of Cold War tensions.

Explanation:

the answer is c     : )

explanation:

i don't have an explanation because i don't know, but i think the answer is c because i googled it and google is right : ) just kidding google isn't allways right but the answer is still c. i hope this !