In 1909 the national association for the advancement of colored people was founded by african-american activist w. e.b. dubois and a group of jewish americans. why did jewish americans historically ally themselves politically with african americans? a) they thought it was important to build relationships with all groups. b) they felt they both had had similar experiences with prejudice. c) they believed it would add to their political power. d) they could not find any other group to ally with.