The spread of slavery in the colonization of North America was primarily due to what factor?
O Demand for labor because of cash crops like indigo, tobacco and rice industry
O Need for workers in New England fishing industry
Creation of shipyards in the Northern Colonies

Round arches allowed the romans to create structures with

Which best explains parallel forces?

Examine these two paintings that depict famous events from american history. the image on the left, painted in 1940, shows the signing of the u.s. constitution in 1787. the image on the right, painted in 1836, shows the american victory at the battle of yorktown in 1781.which of these paintings should be considered a secondary source?