How did the native cultures affect the politics of this region?

A) They demanded that American settlers return their lands.
B) They helped Mexican soldiers find routes into Texas.
C) They prevented American settlers from moving to Texas.
D) They weakened Mexico’s hold on Texas and other territories.

Plz ive been stuck on this question forever. in 1753 george washington was sent on a mission to a. build a fort at the point where the allegheny and monongahela rivers form the ohio river. b. attack the french at fort duquesne. c. attack the french at fort neccessity. d. deliver a message to the french demanding that they leave the ohio river.