Answer:
The idea that the U.S. is destined-by God, its advocates believed-to expand its dominion and spread democracy and capitalism across the entire North American continent.
This Presidents and the Constitution e-lesson focuses on Abraham Lincoln and the Emancipation Proclamation. Though he had always hated slavery, President Lincoln did not believe the Constitution gave him the authority to bring it to an end—until it became necessary to free the slaves in order to save the Union. With the Emancipation Proclamation, which he viewed as an essential wartime measure to cripple the Confederacy’s ability to fight, Lincoln took the first step toward abolition of slavery in the United States
492-449 B.C There isn't really a way to explain it, you just have to study :)
His names was Henry Kissinger
