A group of covered wagons that travels together for safety.

Across the continent.

Money that is paid for using a road.

____ helped Lewis and Clark explore the West. p. 206

Rivers were an important way to cary ______ goods. p.208

________ made car travel easier, and people could travel faster by _____. p. 211

What kind of transportation do you use to get from one place to another?

How many miles did Lewis and Clark travel? p.207

Two brothers named _______ and ______ built airplanes. p. 210