why is the relationship between the executive and legislative branches a useful way to classify government

The articles of confederation did not allow the government the power to tax or to force the states to do anything. what challenges could this cause

15 pt (more than one answer)what are some of the ways businesses increased productivity? -obtained new machinery -obtained new resources -obtained new technologies -found ways to make their workers more efficient

In what is known as the great migration, large numbers of african americans moved from the rural south to northern cities, beginning in the early twentieth century. what motivated this large-scale movement?