Help ASAP pls help pls

B. Thomas Jefferson

Explanation:

The Louisiana purchase

countries such as spain, france and portugal colonized the region. although most of latin america was colonized by spain, the countries of portugal and france also had major influences on the region. due to war and disease, native populations were decimated.

answer; first blank(1); 30% two(2); salmonella; i believe this is correct; //good luck;