The capital of the United States is Washington, D. C. What does “D. C.” stand for

Which would make the best heading for this list of notes about the migration of african-americans during the reconstruction era?

When and why did the united states enter world war 2

What is the result of americans’ tradition of joining interest groups? a decline in political parties a large number of interest groups of all sizes a few large interest groups a large number of equally funded interest groups