Question

4. Poland was forced to fight on two fronts when it was invaded by
(1) The United States
(2) Japan
(3) Australia
(4) The Soviet Union​

Answer 1

Answer:

The Soviet Union and germany

Answer 2

4. Soviet Union

Explanation- After the Molotov - Ribbentrop Pact, both Germany and Soviet Union agreed to attack and split Poland. Each country border Poland from the West and East, respectively.