How does our government get a count of the number of people living in an area?

In 1816, john c. calhoun proposed that: a. that the federal government aid in the construction of roads and canals to improve transportation to and from the west b.the united states should end slavery. c.the united states should increasing the size of the navy and invade central america. d. the united states should annex hawaii

I. what southwest asia nation do weman face the most restietion?

What effect did the agricultural revolution have on farmers?