Answer:
The Louisiana Purchase stretched from the Mississippi River in the east to the Rocky Mountains in the west. Its southernmost tip was the port city of New Orleans and the Gulf of Mexico. To the North it included much of Minnesota, North Dakota, and Montana up to the border of Canada.
Of course, the major effect of the Louisiana Purchase was that it made the United States much bigger than it had been before. The Purchase doubled the land area of the country. This helped to make Americans feel like their country was strong and important, contributing to a sense of nationalism.
Step-by-step explanation: