Final answer:
The Treaty of Guadalupe-Hidalgo ended the Mexican-American War with the U.S. paying $15 million for the cession of northern Mexico. The correct answer to the student's question about the terms of the Treaty of Guadalupe-Hidalgo is e. American payment of $15 million for the cession of northern Mexico.
Step-by-step explanation:
The Treaty, which ended the Mexican-American War, included the cession of large territories such as Alta California and New Mexico to the United States, while Mexico retained territories south of the Rio Grande. In compensation, the United States agreed to pay Mexico $15 million and assumed approximately $3.25 million in claims of American citizens against Mexico.
This seminal event, signed in February 1848, had significant implications for the expansion of the United States and shaped the country's geographical boundaries as we know them today, notably increasing the size of the nation and playing into the concept of Manifest Destiny.