How did england believe in handling an aggressive germany? why?

Under the leadership of Prime Minister Neville Chamberlain, the United Kingdom originally undertook a policy of appeasement by which they let an increasingly aggressive Germany become more belligerent in the hopes that they would tucker themselves out and be satisfied after invading a few countries.

to protect the united states' role as a world leader, president truman wanted to prevent the soviet union from spreading communism beyond its post-world war ii boundaries. he declared that the united states must assist any nations struggling to prevent a communist takeover.