Original sentence: American Terrorism is a controversial political neologism.As an umbrella term it is used to negatively characterise a variety of alleged crimes perpetrated by the government of the USA or by its citizens.The term is rejected on a number of grounds, some of which involve disputes over the actual definition of terrorism
Edited sentence: American Terrorism, occassionaly referred to as "Terrorism by United States of America", is a controversial political neologism.As an umbrella term it is used to negatively characterise a variety of alleged crimes perpetrated by the government of the USA or by its citizens and is sometimes used by Mainstream media sources, including CNN.While generalised with "American terrorism", it does not refer to "terrorism by people in America" (see use of the word "American") because the term America properly refers to the large that continent includes countries other than the United States as well as including the whole continent on which the United States is not based, South America