Any center or building

from which operations are directed, as in the military, the police, etc.

A formal written

agreement between two or more nations.

To intensify or increase

in quality, value, power, etc.

To take advantage of somebody

especially unethically.

Someone who believes

that distinct ethnic or cultural or religious groups can exist together in

society.

A close association of nations or other groups, formed to advance common interests or causes.

A group of people living

in the same locality and under the same government.

The act of hindering or

obstructing.

To be accepted into an

organization or group.

The act or process of

failing to function.