1. Huge Collective farms and settlements created by Mau in 1958. This are the Communes!
2. Atmosphere of constant revolutionary fervor favored by Mao. This is the Permament Revolution!
3. Mao’s Sourcebook on revolution and reform. This is the Little Red Book. It's often given as wedding presents in China!
4. Per Person. This is "per capita" (it means "per head" in latin)
5. Beijing site of pro0democracy demonstrations in 1989. This is the Tiananmen Square. This protest is heavily censored in China!
I'll first explain what the non-aggression pact was. It was an agreement that the Soviet Union and Germany would take no military action against each other. To answer your question it is B. The pact was to make sure he could safely attack Poland.
It had been many wounded soldiers. Each side gathered up their wunded and dead soldiers, and buried the dead.