6. In what way did the U. S.-Mexican War fulfill a major goal of those who supported the idea of Manifest Destiny?
After the war with Mexico, Americans no longer worried about attacks from
the other countries.
As a result of the war, the territory of the United States stretched from the
Atlantic Ocean to the Pacific Ocean.
The U. S.-Mexican War led to better relationships with other countries like
Canada and Great Britain
• The war with Mexico finally allowed the United States to define and
establish its official borders with other nations.