Early humans most likely experienced which of the following changes in climate and environment? select all that apply

Could a filibuster occur today in the house of representatives

How did regional differences in italy initially prevent unity in the new nation?

How did african americans the union during the civil war? a. by serving as representatives in congress b. by enlisting in the military to fight c. by organizing massive slave revolts in the south d. by negotiating for peace with the confederacy