Answer:
I'm pretty sure it's B but sorry if it is not correct
Answer:
Treaty of Friendship, Cooperation, and Mutual Assistance
Explanation:
Is a collective defence treaty signed in Warsaw, Poland between the Soviet Union and seven Eastern Bloc satellite states of Central and Eastern Europe in May 1955, during the Cold War.
The Answer will be choice b
Interest is calculated as a percentage of a loan balance, paid to the lender periodically for the privilege of using there money.