From the years 1700-1740 how many slaves were brought to america

He first two sections of article iv of the constitution focus on relationships between us government agencies. different us states. branches of us government. the senate and the house.

From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?

What role did the alliance system play in preventing austria-hungary and serbia from coming to a compromise settlement?