Manic depression is an emotional disorder in which the patient alternates between feeling euphoric and being plunged into deep gloom.

By giving military aid to dictatorships in Latin America, the U.S. has seemed to sanction their cruel policies.

Being unable to write clearly is a liability in a business career, in which one must often express opinions and ideas in writing.

To carry out his economic programs, Roosevelt had to contend with a Supreme Court that was deeply opposed to them.

Because she enjoyed her work, the new job offer left Elena in a quandary. She couldn't decide what to do.

Test results sometimes show that a person who only has a tenuous grasp of mathematics nevertheless has very strong verbal abilities.

To forestall the need for last minute cramming, keep up with each course throughout the semester. Keeping up will also prevent "text anxiety."

There is a growing disparity between the rich and the poor in the U.S. The richest 20 percent of Americans own more than 75 percent of all the nation's wealth.

Unhappy with British rule, the American colonists fought to become autonomous.