What factor led civilizations to develop a division of labor? a. a written language b. a small population size c. simple government structures d. food surpluses

How would high tariffs hurt america? a. fewer immigrants would be able to move to america b. sales of american products to other countries would go down c. americans would sell more goods to other countries d. goods imported from other countries would cost less

In 1819, what did the united states obtain from spain for $5 million?

Wha industry did the refrigerated rail car impact the most