Answer:
extend
Explanation:
Polk's goal was to spread the United States across the North American continent from the Atlantic Ocean to Pacific Ocean. His goal was to secure the territories of <u>New Mexico </u>and <u>California</u>, which allowed him to extend the United States to the Pacific Ocean.
The Truman Doctrine was an American foreign policy to stop Soviet imperialism during the Cold War. It was announced to Congress by President Harry S. Truman on March 12, 1947 when he pledged to contain Soviet threats to Greece and Turkey.
Taxed them on alot of things