Website
Smithsonian Institution

National Portrait Gallery: 1846: Portrait of a Nation

For Students 3rd - 8th
This site provides a glimpse into the United States in the year 1846. James Polk was president and the Westward Expansion was in full force. The site has nice historical photographs.
Primary
Curated OER

History Matters: Manifest Destiny, Continued: Mc Kinley Defends u.s. Expansionism

For Students 9th - 10th
Enhanced by an introduction and commentary, read a speech given by U.S. President William McKinley to a delegation of Methodist church leaders in 1899 in which he defined the United States intervention in the Philippines as the proper...
Website
Independence Hall Association

U.s. History: Pearl Harbor

For Students 5th - 8th
A concise look at the economic relations between Japan and the United States just prior to the Japanese attack on Pearl Harbor. Find out what the Japanese hoped to achieve with the attack, and read about the American response.
Website
Other

On Line History of the United States: The Age of Imperialism

For Students 9th - 10th
Online history page containing numerous links to specific incidents of U.S. expansion in the Pacific, Latin America, China, and Cuba.
Article
Charles I. Kelly and Lawrence E. Kelly

Many things.org: In 1845, Republic of Texas Faces a Choice

For Students 5th - 8th
An explanation of the difficulties the Republic of Texas encountered when deciding whether to join the Union. Also discusses President James Polk's efforts to expand the territories held by the United States, which brought him into...
Website
Independence Hall Association

U.s. History: Reactions to a Troubled World

For Students 5th - 8th
Read about the rising militarism and fascism in Europe and Asia as dictators expanded their territories. See how the United States reacted with its series of three neutrality acts.
Graphic
Curated OER

Map: Imperialism and the Balance of Power

For Students 9th - 10th
World maps of the Colonial Empires of 1914 as well as their revenues during that time period. There are also maps depicting urban growth, type of government, wars and atrocities, and living conditions of the world in 1900.
Graphic
Curated OER

Map: Imperialism and the Balance of Power

For Students 9th - 10th
World maps of the Colonial Empires of 1914 as well as their revenues during that time period. There are also maps depicting urban growth, type of government, wars and atrocities, and living conditions of the world in 1900.