How can the presence of many minority groups benefit a society?

Help ASAP plz

answer; i believe its (cpr);

the space race was a battle to make advanced technology to get to the moon and to get a better understanding of space.

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