Because commercial farms use modern technology, a small number of people can what?

In 1819, what did the united states obtain from spain for $5 million?

Describe the indian removal from north georgia. was the evacuation carried out according to plan? explain.

After world war ii, the world discovered that nazi germany had murdered millions of innocent people as part of the holocaust. seeing that human beings could treat one another so horribly changed the way many people looked at war, government, and minority rights. how could these changes have impacted the study of history?