In the sixteenth century, there was a huge increase in the use of enslaved africans in brazil in order to produce what crop?

Which two important economic activities in the west are possible because of the united states natural resources

Which of the following acts or treaties tried to american indians?

What is the focus of article 1 of the constitution? describing the powers and structure of the legislative branch defining bicameral and unicameral houses explaining the veto and override processes reviewing the executive branch of the government