How much did the lousiana purchase cost the united states?

How is the uk’s government is solving the air pollution problem?

1u. s. history question! question: how did world war ii change the united states' position in world affairs? i need good explanation to support the answer otherwise i get docked points. real answers only ! you! : )

Why did the south think that its secession from the union would succeed? a. the confederate army was larger than the union army. b. european nations had promised to support the south. c. the south only had to defend itself against the north, not defeat it.