The map shows major rivers in the United States. Which river forms a border between the United States and Mexico?

the Brazos River
the Rio Grande
the Mississippi River
the Colorado River

Is the Rio grande river and i know that for a fact so there so answer

Explanation: Hope im not to late

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain

a they donate money to humanitarian causes

c   they volunteer to alleviate suffering

d   they blame all muslims for not being able to keep their fellow muslims in line.