Social Studies - 2019-20

WHII.9a - American Expansion

The student will apply social science skills to understand global interactions between 1800 to about 1900 by

a) locating the United States of America, describing its expansion between 1776 and 1900, and assessing its changing role in the world;

Adopted: 2015



Between 1776 and 1900, the United States went through a period of major territorial expansion to extend from the Atlantic to the Pacific.

The Industrial Revolution led to economic prosperity, which facilitated the entrance of the United States into global politics.


Location of the United States

 The United States is located on the continent of North America in the Western Hemisphere, between the Atlantic and Pacific Oceans.

American Expansion, 1776-1900

 The United States expanded from the original 13 colonies to include land all the way to the Pacific Ocean.

 The United States expanded through economic, political, and military means.

 The largest piece of territory was acquired through the Louisiana Purchase from France.

Changing role of the United States

 The Industrial Revolution made the United States a leading world economic power beginning in the nineteenth century.

 This new status encouraged the United States to become increasingly involved in global politics from that point forward.


Updated: Jun 01, 2018