During the constitutional convention, the commerce and the slave trade compromise gave congress the power to

The Commerce and Slave Trade Compromise was a meeting of states whose representatives were making plans for the National government. There was a dispute between the states in the North and South. A compromise was made by giving the Congress the power to not prohibit the slave trade until 1808, however, imported slaves could be taxed.  

amend the Constitution of the United States with a majority vote

Explanation:

soviet influence spread across eastern europe sharply during and after wwii. the soviet armies liberated the countries in eastern europe and occupied them from the germans as they were forced to retreat towards germany.