Why was the louisiana purchase important to the unites states and the presidency of thomas jefferson?

The Louisiana Purchase was so important to the United States and Jefferson's presidency because it nearly doubled the size of our country. Without the Louisiana Purchase, chances are we would not have successfully explored westward.

Explanation:

yes based on alexanders actions he deserved the title of "the great". his empire covered about 3,000 miles and he was able to establish the empire over a 13 year period of time. he was able to conquer many different places. he also defeated the persians. he conquered egypt and developed a city and named it after himself.