The correct answer is B) the act of giving in to Hitler's demands in exchange for peace.
The policy of appeasement was the act of giving in to Hitler's demands in exchange for peace.
The policy of appeasement was supported by British Prime Minister Neville Chamberlain as a way to avoid another big war such as World War I. In consisted of giving Adolph Hitler some European territories such as Czechoslovakia, under the Agreement of Munich of September 30, 1938.