Advances in agriculture led to the rise of classes of people who devoted their entire lives to the development of the arts, sciences, and other
intellectual and cultural pursuits.
What conditions allowed these people to devote their lives to non-
agricultural work?
the rise of a wetter, warmer climate
the creati

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