Why did the Louisiana Purchase trouble Jefferson?

Jefferson needed to move quickly when he discovered that Spain had signed a secret treaty with France in 1801 ceding Louisiana to France. ... The fear was that if America did not purchase New Orleans from France, it could lead to war.

Jefferson had to act swiftly when he discovered in 1801 that Spain had signed a secret treaty with France to move Louisiana to France. ... there was a fear  that a war could occur if the United States did not buy New Orleans from France.

Explanation:

b. major john c. frémont led a rebellion called the bear flag revolt.

explanation:

during the bear flag revolt, from june to july 1846, a small group of american settlers in california rebelled against the mexican government and proclaimed california an independent republic. the republic was short-lived because soon after the bear flag was raised, the u.s. military began occupying california, which went on to join the union in 1850. the bear flag became the official state flag in 1911.