What do the Missouri, Rio Grande, Colorado, and Columbia Rivers all have in common? A) They all are the same length. B) They are all not navigable. C) They all begin in the Rocky Mountains. D) They all empty into the Gulf of Mexico.

I believe they all empty into the Gulf of Mexico

if im wrong plz let know

abu bakr, was a senior companion and—through his daughter aisha—a father-in-law of the islamic prophet muhammad. abu bakr became the first openly declared muslim outside muhammad's family. abu bakr served as a trusted advisor to muhammad.

q1: artillery

q2: simon bolivar

q3:   their workers and farmers demanded a return to spanish rule.

q4: drafted new constitutions

q5: oligarchies have replaced monarchies