Question

Why would John O'Sullivan argue that America should continue to expand its territory (amount of land)

Answer 1

Answer:

estward expansion, the 19th-century movement of settlers into the American West, began with the Louisiana Purchase and was fueled by the ... In 1845, a journalist named John O'Sullivan put a name to the idea that ... should not be permitted in any part of the Mexican territory that the U.S. might acquire.

Explanation: