How did Lewis and Clark contribute to westward expansion? They mapped out a new area of land that people could move to in the future.

They discovered the Northwest Passage, which connected the Atlantic and Pacific oceans.

They helped President Jefferson negotiate with the French for the Louisiana Purchase.

They created roads for pioneers to move out West.

Where did the constitutional convention take place

During jefferson's administration, which of the following represented his tenure? a) he believed the power of his gov depended upon his popularity b) jefferson thought that the strength of his government depended its use if force c) she refused to add territory to the u.s without approval of the states. d) jefferson though of “hands off” approach to the states and less power in the cen. gov. would benefit the nation

The controlled use of fire by hominids: (a) limited the expansion of hominids into certain environments, such as dry grasslands. (b) decreased the amount of food energy available in the hominid diet. (c) contributed to geographical expansion and food production techniques in positive ways. (d) has been shown to contribute little to the digestive process of hominids.