Original sentence: In many parts of the world, America in the singular is commonly used as a name for the United States of America; however, (the) Americas (plural with s and generally with the definite article) is not and is invariably used to refer to the lands and regions of the Western hemisphere.Usage of America to also refer to this collectivity remains fairly common
Edited sentence: In Spanish,() French (), and diplomatic, international and academic circles the term America is used to denote only one continent and the full name of the United States as the nation-state is preferred.In few parts of the world, America in the singular is commonly used as a name for the United States of America; however, (the) Americas (plural with s and generally with the definite article) is only used in the United States and is invariably used to refer to the lands and regions of the Western hemisphere.Notice that the Organization of American States (OAS) refers to the continental treaty founded in the charter in 1948 of which the U.Usage of Americas refer to this collectivity remains fairly common in the United States but it is not used in diplomatic or international circles.and other American Republics are members and begins with the statement "Convinced that the historic mission of America..."(Charter of the OAS )