How and why did the ideal of manifest destiny and the outcome of the Mexican-American War lead to U. S. expansion to the Pacific Ocean?

Manifest was due to the rise in invasion and desire for expansion and growth.

Explanation:

Manifest destiny is a cultural belief that was followed in the 19th century when the American settler was destined to expand and grow They imagined a landscape of agrigrain east. They had the idea that the country could expand from east to west that is Atlantic to pacific. James K embraced this manifest destiny Due to the violent fight at the texas and Mexico borders many men were killed and this led to the invasion of Mexican across the border.