Why was st. petersburg founded?

a. to effectively battle the swedish who had previously controlled the land.
b. to provide a port and access to europe.
c. to replace moscow, which had been destroyed in war.
d. to provide a military base for ongoing wars between russia and europe.

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.