There is no single country that can be referred to as the "father" of the United States of America. The United States was founded by a group of individuals known as the Founding Fathers, who were largely of British descent and had established British colonies in North America. However, it is important to note that the American Revolution and the subsequent establishment of the United States were a result of a complex set of social, political, and economic factors that cannot be attributed to a single country or individual.
Furthermore, while the United States has strong historical and cultural ties with Great Britain, it is an independent and sovereign nation that has developed its own unique identity and culture over the past two centuries. So, while the United States has historical ties with Great Britain and other European nations, it cannot be considered the "child" of any one country.