American Indians were taught writing, reading, and mathematics at A. private schools
B. trading post schools
C. mission schools
D. public schools

C). Mission Schools

Explanation:

Mission schools are primarily characterized as religious schools that were initially created by the Christian missionaries for serving the establishment purposes and commitments. The 'American Indians were taught basic lessons of reading, writing, mathematics, etc. at these 'missionary schools' which helped in westernizing them and serve their purposes like propagation of Christianity or producing labors. Thus, option C is the correct answer.

most people were factory or company owners.