America's involvement in Vietnam was deeply rooted in its policy of containment, which evolved out of the domino theory wherein the US needed to work to stop the spread of communism or communism would take over the world.
Answer:
human resources are those people who are educated, knowledgeable,skilled,and experienced, physically healthy,mentally aware and are rational thinkers.
His behavior would fall under the following category of abnormal behavior - interferes with ability to function.
Because his girlfriend cheated on him, he feels depressed and cannot continue with his usual day-to-day life until he "mourns" the loss of his significant other and gets over the betrayal and pain that they caused him. His functioning is impaired due to this trauma, but will come back to normal eventually.
