Aryan invasions, seasonal floods, earthquakes, rivers changing courses, and a decline in trade were all possible factors that led to the fall of what civilization? mesopotamiaindus valleymycenaeanegyptian

Which one of the following is true of jamestown? sir francis drake founded the settlement in 1619. o john smith was responsible for introducing tobacco. o black slaves were brought to jamestown in 1619.

The northwest ordinance guaranteed three rights for the settlers of the northwest territory. what were they?

Which artificial waterway allows the passageway allows the passage of boats between buffalo and albany ( new york) and, eventually, the atlantic ocean? a. erie canal b. suez canal c. panama canal d. ontario canal