What are 3 major causes of the fall of the Soviet Union?

How did the size of poland territory change from 1701 to 1772?

How did inovations in manufacturing lead to improvments in transportation?

This photo shows an early mesoamerican structure, specifically from the zapotec culture. what was this structure most likely used for? a.creating terraces for farm fieldsb.practicing religious ceremoniesc.playing a ball game with stone hoopsd.protecting a city from invading armies