What event did NOT help shape the United States? land from Spain and France Louisiana Purchase land from Ireland Mexican-American War​

Mexican American War

Explanation:

Polk incited it, the theft of land, and the servitude extension. Three fundamental reasons America was inappropriate in going into battle with Mexico were that President James k. Polk incited it, America's theft of Mexico's territory and the development of slavery. That is the reason America was uncalled-for to go into battle with Mexico.

Brainliest?

b. second continental congress

here are some major conflicts i found. maybe pick one and do more research on it. (cause i ain't writing 6 paragraphs)

in 1877, the nez perce war took place.

1881 - president james garfield was assassinated.

1882 - the chinese exclusion act was passed.

1883 - a decision in the civil rights cases legalized racial segregation in the united states.

1887 - the dawes act was passed.

1893 - the panic of 1893 took place. (what a creative name)

and there are probably other topics you can find if you just search up "united states timeline," or "conflicts in the 19th century for america."

then once you find a topic you like find out how it affected the people of america and what not. (sorry if this feels a bit short changed, history was and never will be one of my strong topics)