Question

The period of
led Americans to expand the United States from the Atlantic Ocean to the

Answer 1

The United States expanded its territory from the
Atlantic to the Pacific oceans during the 19th
century's American expansionist era. By treaties,
acquisitions, and military victories, new territories
were acquired during this time, including Louisiana,
Texas, Oregon, California, and other regions in the
West.

Answer 2

The period of American expansionism, which occurred during the 19th century, saw the United States extend its territorial reach from the Atlantic Ocean to the Pacific Ocean. This period was marked by the acquisition of new territories, such as Louisiana, Texas, Oregon, California, and other areas in the West, through treaties, purchases, and military conquests.