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.
  Answer     The battle of Normandy (Also known as 'D-Day' or 'Operation Overlord') began because Nazi Germany wanted to improve their conquering of land.They a â¦ lready conquered France and many parts of Europe, and their next goal was to take over Great Britain.he Battle of Normandy was fought in Normandy in Northern France, south of the English Channel, between the estuary of the Seine river & the Cotentin Peninsula. 3 people found this useful.