1. took out the mafia and crime cartels
2. drained the swamps, eradicated malaria
Answer:
C
Explanation:
Westward expansion, the 19th-century movement of settlers into the American West, began with the Louisiana Purchase and was fueled by the Gold Rush, the Oregon Trail and a belief in "manifest destiny."
Gold reserves cuz it was not theire so ya the other aswers are wrong
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