What did the supporters of manifest destiny favor in the year of 1840?

 Westward expansion.

Explanation:  Both government and individual felt nothing should stop the all-powerful drive to expand the size of the country.

c) troops march forward in close formation against newer, more accurate weapons

i think the answer is: cuba wanted to be independent from spain, and the u.s. wanted to end spanish rule in the west.

hope i

-lavira : )