Social Studies - 2019-20

USII.5b - Teddy Roosevelt

The student will apply social science skills to understand the changing role of the United States from the late nineteenth century through World War I by

b) describing Theodore Roosevelt’s impact on the foreign policy of the United States;

Adopted: 2015


Numerous factors contributed to the rise of the United States as a world power. Debates over the United States’ role in world affairs increased in response to overseas expansion and involvement in World War I.  United States participation in the war had important effects on American society. 

What forces shaped American foreign policy?

How did America change socially, politically, and economically in the early 1900's?


Roosevelt expanded the Monroe Doctrine as a way to prevent European involvement in the affairs of Latin American countries.


Use of Big Stick Diplomacy

 Example: Building the Panama Canal

 Grew the United States Navy as a show of American power

Added the Roosevelt Corollary to the Monroe Doctrine

 Europe was warned not to interfere in the affairs of the Western Hemisphere; the United States would exercise “international police power” in the Americas.

 The Roosevelt Corollary asserted the right of the United States to interfere in the economic matters of other nations in the Americas.


Updated: Jul 12, 2019