Here’s how the provided phrases match with the concepts you listed:
-
Belief the U.S. should own land from coast to coast; caused by population boom and desire to acquire resources on new land
Answer: Manifest Destiny -
Doubled the size of the U.S.; allowed for westward expansion
Answer: Louisiana Purchase -
Provided the U.S. with land to expand the Transcontinental Railroad
Answer: Gadsden Purchase -
Officially ended the U.S.-Mexican War and established new border between the U.S. and Mexico
Answer: Treaty of Guadalupe Hidalgo
So the complete match is:
- Manifest Destiny → Belief the U.S. should own land from coast to coast; caused by population boom and desire to acquire resources on new land
- Louisiana Purchase → Doubled the size of the U.S.; allowed for westward expansion
- Gadsden Purchase → Provided the U.S. with land to expand the Transcontinental Railroad
- Treaty of Guadalupe Hidalgo → Officially ended the U.S.-Mexican War and established new border between the U.S. and Mexico