Who is the head of the white house office

What was the u.s. government's office of indian affairs responsible for doing?

Did the spanish settlers and missions have a positive effect on world history? why, what did they do that was positive? why was the treaty of paris (1763) good for the world/world history? did the plymouth colony have a positive effect on world history? why, what did they do that was positive?

Select all that apply. identify two reasons for the fall of the ming dynasty. invasion by the japanese and koreans death of the emperor invasions poor leadership