michaela5dueck michaela5dueck 25-02-2021 History contestada What are TWO reasons that the Louisiana Purchase caused a debate in the United States? People living in rural areas feared that they would be forced to move west. The Louisiana Purchase exposed the United States to the risk of a Spanish invasion. Many politicians felt that the US Constitution did not allow such a purchase. Military leaders believed that defending the new territory would be a burden. Some politicians accused President Thomas Jefferson of acting against his own principles.