How did the government encourage manifest destiny?

The government encouraged Manifest Destiny through policies that promoted westward expansion, including the Louisiana Purchase in 1803, which doubled the size of the United States. Additionally, legislation such as the Homestead Act of 1862 provided land incentives for settlers to move west. The government also supported infrastructure projects, like the construction of railroads, to facilitate migration and economic development in the newly acquired territories. Furthermore, the idea was propagated through cultural narratives that framed expansion as a divine right and a moral obligation.