When did the world's population top 5 billion?
according to the graph, what will most likely happen to the world's population after 2020?

Which statement best describes why article 3 of the constitution gives congress the ability to create lower courts inferior to the supreme court from time to time

In the declaration of independence, the colonists listed the complaints against the british government to prove they were being treated unfairly. what was one complaint in the declaration of independence?

How did the shift to farming affect native american cultures?