Where was the first major battle of the civil war

List three reasons why explorers began to explore new, and old areas. [[ps: doesn't explicitly say where. i think it's more in general.

What was charles townshends development of a crop rotation system important to the industrial revelotion

Which of the following was not an important contribution made by the lewis and clark expedition? a. they made detailed descriptions of the terrain of the louisiana territory. b. they fostered relationships with native american tribes. c. they advanced the u.s. fur trade with european buyers. d. they secured the u.s. border of the oregon territory by negotiating a treaty with england.