How did Stalin play a role in events prior to and during World War II?

Select TWO correct answers
Joseph Stalin had been in power in the Soviet Union since the late 1920s. Stalin was known to have ruled with an iron fist,
setting strict policies of industrialization and collectivization, leading to significant harsh social and economic changes for the people of the Soviet Union
Stalin signed the Molotov-Ribbentrop Pact with Nazi Germany in 1939, which included a secret agreement to partition Eastern Europe between their nations. In 1941,
Stalin engaged the Soviet Union as an active participant in World War II after Hitler broke the Molotov-Ribbentrop Pact and invaded the Soviet Union. Warfare on the
Eastern Front was critical to Soviet Union's major role in defeating Nazi Germany.

1. Stalin signed the Molotov-Ribbentrop Pact with Nazi Germany in 1939, which included a secret agreement to partition Eastern Europe between their nations.

2. Stalin engaged the Soviet Union as an active participant in World War II after Hitler broke the Molotov-Ribbentrop Pact and invaded the Soviet Union. War on the Eastern Front was critical to the Soviet Union's major role in defeating Nazi Germany.