Who were the first mailmen?
post riders
circuit riders
circuit judges
town crier

Post riders. post is another word for mail. like the postal service.

In taking this initial action to begin the mexican-american war, president polk was affirming the monroe doctrine, which was a line of foreign policy in which the u.s. would oppose any foreign colonialist activities in the americas. it was also an offshoot of the doctrine of manifest destiny, which posited that america had the right to unbridled western expansion.