Match the items.

The task is to match the lettered items with the correct numbered items. Appearing below is a list of lettered items. Following that is a list of numbered items. Each numbered item is followed by a drop-down. Select the letter in the drop down that best matches the numbered item with the lettered alternatives.
a.
Political

b.
Social

c.
Technologic

d.
Economic

1.
Ocean-going fleets-Modern rifles and rapid-fire artillery. Occasions were rare that native populations could resist Western military forces.


a
2.
Advances in transportation, communication, and warfare brought by the I.R. enabled Western nations to build empires.


a
3.
Colonies would serve as potential markets. Immense wealth allowed Western world to conquer distant places.


a
4.
Social Darwinists argued that it was natural for stronger nations to dominate weaker nations.


a