Answer:
C. Stability in the Middle East
Explanation:
The three headlines refer to actions in the Middle East with the goal of stabilizing the region.
The goal of the Camp David Accords was to stabilize the diplomacy between Egypt and Israel, countries that had recently been at war.
President Reagan sent troops to Lebanon in order to prevent a further escalation of the clashes between Syryan and Israeli backed factions in Lebanon.
Finally, the goal of the Operation Desert Storm was to end Irak's occupation of Kuwait.
One of the main ways in which economic opportunity divided urban and rural dwellers is that those who could afford to live in the suburbs usually chose to do so, while low-income people who had to work lesser-paying jobs were usually confined to the cities.