The answer is C. (He was surrounded on three sides by Grant) because the lesson states, "Army of the Potomac was parked outside the capital on three sides, laying siege to nearby Petersburg."
Because as industrialization grew and spread throughout Europe, competition for raw materials increased. Consequently, some European industrialists encouraged their governments to colonize African countries as a method of guaranteeing sources of raw materials.
The line = the linking to 2 is defined by A
(2)-(A)
(3)-(B)
(5)-(C)
(1)-(D)
(6)-(E)
(4)-(F)