Conversation so far:
When was the war over?
CANNOTANSWER.
Who were the leaders post-war?
Gomulka was a deputy prime minister in the Provisional Government of the Republic of Poland.
What politics resulted from the war?
Gomulka led the leftist social transformations in Poland.

Question: were there people that opposed him?
Self-contained rewrite: Were there people that opposed Władysław Gomułka when serving as the deputy prime minister in the Provisional Government of the Republic of Poland?