How does acquiring Texas and Oregon fulfil the concept of Manifest Destiny?

Manifest destiny was an idea that gave Americans a destine by God to govern.

Explanation:

The motive behind the expansion into Texas and Oregon was the Manifest destiny. The idea to settle n Texas and Oregon came in answer to the United States annexation of Texas and conflict over the Oregon Country with British, which ultimately became part of America. The main goal was to spread its white American settlers in the westward region. The settlers move and expand across America to spread their traditions and their institutions. They began to buy land and settle there to do farming and ranching and cattle keeping.