The result of the"purchase of land" from France in 1803 was Louisiana territory, a land between U.S and France.
EXPLANATION:
Louisiana territorywas known as the organized incorporated territory located in the United States. The existence of Louisiana territory was believed to be existed from 4 July 1805.
The capital of "Louisiana territory" was St. Louis. But until 1812 July 4, it was renamed by Missouri Territory. The deal was made between U.S and France for $15 Billion.