Why did the roman empire split in two?
a. the emperor was becoming too old to rule.
b. the emperor wanted to conquer still more countries.
c. the empire was too large for one person to rule.
d. foreign invaders conquered part of the empire.

Quick using the information in the graph, one might speculate that a) w. w.i created increased job opportunities in the u. s. b) the election of president hoover in 1936 caused unemployment to decline. c) the return of soldiers following w. w.ii caused unemployment to increase in the u. s. d) the new deal programs of president roosevelt created employment opportunities in the u. s.