As a result of the westward expansion of the united states,

This is a very big question. Reason being, there were probably hundreds of effects of westward expansion. But, there are a few that come to mind.
1. Indian Wars
2. Economic Boom
3. Increase in Amounts of New Immigrants
4. New Issues Involving Slavery That Led up to The Civil War
5. Manifest Destiny Achieved
6. United States Increased Trade Opportunities by Being On Two Sides of North America
7. New Infrastructure Jobs
8. Gold Rush
9. Lawless Territories
10. Disease Spread From East to West

This is what i found “getting into the technicalities, the continental crust has a density of around 3.0 g/cm3 compared to 2.6 g/cm3 of the continental crust. in addition, the continental crust is much thicker than the oceanic crust. the recycling process does not happen to the continental layer.” i hope this you for what your looking for. can you plz mark me brainliest?

The answer to the question is c.