By 1830, there were more than 2 million slaves in the United ... States of America. 1830s: Andrew Jackson's Indian Removal Act forcibly removes five Indian nations from the lower South to less ...

Scientists discover massive deposits of this valuable resource sitting beneath the feet of millions of Americans.

Think India rendered in spices, New Zealand in kiwifruit, South America in citrus ... was documented—in Tuscany.” For their map of the United States (above), Hargreaves and Levin chose ...