What was the main effect of the Louisiana Purchase?

Discuss the main ideas of eugenics, and explain why it is no longer a prominent belief in the united states.

How were the okanogan highlands formed? a. by subduction, which caused huge folds in earths surface b. as a result of retreating glaciers carving great valleys into the earth c. when molten rock from under the earth approached the surface d. when the collision of volcanic island chains and ocean rocks formed new earth

Which best describes the connection between a mechanical loom and a cotton gin