What region were added to the united states from 1803 to 1819

Explanation:

In 1803, the United States purchased Louisiana from France, and in 1819 the Spaniards ceded Florida to the United States. The administration of President James Madison (1809–17) is confronted with severe foreign policy, domestic political, and economic problems. The increasing amount of industrial production, the influx of immigrants from Europe calls for an expansion of the territory of the United States.

an interest group is an organization whose members share common concerns, and try to influence government policies that impact those concerns. elected officials frequently complain about the influence of "special interests" on american politics.

the roman empire began to fall