How did Spain justify a New World

its might be wrong but i hope it helps you

Explanation:

Role of religion. The colonization of the New World by European adventurers was "justified" at the time on spiritual and religious grounds. In the conquest of the Americas, the Christian duty to evangelize nonbelievers took the form of conversion of Indians and other pagans at the hands of Roman Catholic priests.

answer; if congress didn't act on certain requests;

answer; the civil right act of 1964;