Apolygon with an unknown number of sides is called a(n)

Why were inventors essential or necessary for an industrial revolution to happen in america

European imperialism in the 19th century was largely motivated by a desire to: o a. assert power over other parts of the world. b. end the racist policies practiced in many foreign countries. o c. defend europe from aggressive foreign armies. d. relocate ethnic and religious minorities within national borders.

Before the civil war, the constitution protected slavery -true -false