Which ones goes with which?

Why did the us government remove native americans from the southeast in the 1830s

Before the civil war, the south’s economy was based on enslaved labor. large cities. immigrant workers. factories.

Which lake receives up to 9 million visitors each year, covers more than 90,000 acres, and was created by denison dam? a. the grand lake o' the cherokees b. lake thunderbird c. lake eufaula d. lake texoma