What event following La Salle’s death impacted settlement in Arkansas? A. Joliet and Marquette established a trading post along the Red River.
B. Colbert befriended Native Americans and settled at the confluence of the Arkansas and Mississippi Rivers.
C. De Soto continued La Salle’s mission and discovered the mouth of the Mississippi.
D. De Tonti went in search of La Salle and founded the Arkansas Post.

you didn't give any answers to choose from so i can't with this but, i do know something that the mexican government would be worried about and that is the wall that donald trump is currently trying to get up.

the award is named for an american naval historian and theorist, rear admiral alfred thayer mahan, united states navy who, through his writing, provided stimulus and guidance to those who share in the defense of the nation.