A challenge that Mexican citizens living in areas that were part of the Mexican Cession faced was that they were separated from white settlers.
their families were forced into slavery.
they did not know how to farm.
their families lived in Mexico and the US.

Their families lived in Mexico and the US.

Explanation: It is the only option that makes sense.

i do not believe this was true indefiantly the native americans would have lsot aganist america one they didndt have the resources and allies that america had and 2   indians werent as advanced at the time as they were not 3 americans had the expreince because some of the soliders from other wars fought in that war and were attecked etc