Causes of CTEPH. A blood clot in the lungs is known as a pulmonary embolism (PE), which can become lodged there and accumulate other clots. PE can block blood flow into the lungs and can be life threatening. These blood clots usually form in the legs that break loose and then travel to the lung.
The purpose of the Bay of Pigs Invasion was to overthrow the Cuban government under Fidel Castro. The U. â¦ S. backed Bay of Pigs invasion, which aimed to overthrow Fidel Castro's communist rule, was a failure. It was a huge political victory for Castro because it soldified his power over Communist Cuba.
The Invasion of the Western Roman Empire. by Barbarian Tribes. The purpose of this document is to summarize the period of barbarian invasion of the western Roman Empire over the period from the third century A.D. to the fifth century. The primary source material is a series of lectures by J.B. Bury of the University of Cambridge which were published as The Invasion of Europe by the Barbarians.