Was the expansion of the United States in the 1800's justified?, no! Justified means everyone can agree on one thing, everyone is happy with the decision and it is done in peace because otherwise its war. Florida, Texas, and the Mexican Cession were not justified. Here is why they were not justified. The United States did not have a good enough reason to expand in Florida. They didn't have a good enough reason because President James Monroe sent the hero of the Battle of New Orleans so he can end the raids in Georgia but instead he did the complete opposite in Florida. Andrew Jackson invades Florida according to Section 3 it states, " Despite his orders, Jackson marched into Florida with a force of 1,700 troops." Andrew Jackson in this
