What two things would eventually hurt the southern cause during the civil war?

i think it was because of how protected egyptian civilization was was which allowed them to evolve without much outside influence.

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