During the eighteenth century, many educated americans began to be influenced by the outlook of the european this philosophical movement, which originated among french thinkers and soon spread to britain, sought to apply the scientific method of careful investigation based on research and experiment to political and social life.

Enlightenment.

Explanation:

The American Enlightenment which contributed to the American Revolution, and the creation of the United States of America,  was profoundly inspired by the European Enlightenment of the 17th century, also known as the Age of Reason. The Enlightenment was an intellectual movement that highlighted science and logic over religion and superstition, through new ideas such as rationalism, cosmopolitanism, empiricism, and progressivism.

d.he wanted to send diplomats to communist countries.

c, they united with once