Britain and France declared war after Germany invaded ______
in 1939.
On one side of the war were the ________
Powers, which included Germany, Italy, and Japan.
The __________
on the other side included Britain and France.
To avoid involvement in the war, the United States pursued a policy of ______

1: Belgium, Denmark, and Poland
2: Appeasement, Allies, and Axis
3: same as 2
4: Fascism, Isolationism, Militarism