How were slaves brought to the colonies

Which of harriet martineau’s books is a foundational treatise on sociological data collection?

Brainliesttt !me : ) describe the conflict and changes in israel:

Hich explains why the constitution gave congress the power to create a system of federal courts? the constitution wanted congress to share power with the judicial branch. the constitution anticipated the need for courts lower than the supreme court. the constitution wanted congress to share power with the appellate courts. the constitution anticipated the need for courts equal to the supreme court.