Answer:
Needed to establish puppet governments in Europe.
Explanation:
One post-war fact about the United States that created tension with the USSR was the United State need to establish puppet governments in Europe to stop the spread of communism,limiting the Soviet access to Western Europe, both economically and military.
Social Darwinism<span> was a sociological theory popular in late nineteenth century europe and the United States. Maybe?</span>
It’s the last one it says what she’s doing
Germany invaded Poland on September 1st 1939