Claim #3: Slavery expanded in the United States as westward expansion created new US territories and states. Find one piece of evidence from each of the three different sources to support this claim. Document your findings in the chart below.

How did inca develop their road system? a) they used mortar to hold the stones together. b) they built suspension bridges over rivers. c) they mixed copper and stone together to make the blocks. d) they laid roads in the cities, not in the less densely populated deserts.

How did the united states respond when north vietnam attacked a us warship and sent troops to south vietnam in the early 1960s? a. the united states declined to assist south vietnam against the north. b. us leaders authorized south vietnam to invade north vietnam. c. the president did not sign the gulf of tonkin resolution. d. congress authorized the president to escalate the conflict.

What became known as the gold on north america? a) sugar b) rum c) cotton d) tobacco