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.
