As A Result Of Manifest Destiny, Westward Expansion In The Mid-1800S Increased Dramatically. Slowed Significantly. Neither Increased Nor Decreased. First Decreased, Then Increased.. Cultural and religious justifications painted the. In summary, the ideological underpinnings of westward expansion during the era of manifest destiny were complex and multifaceted.

In summary, the ideological underpinnings of westward expansion during the era of manifest destiny were complex and multifaceted. Cultural and religious justifications painted the.