Which government served as a model for the United States' three branches of government?

Federal goverment

Explanation:

The federal goverment is composed of 3 distinct branches:legislative;execuetive;and judicial whose powers are vested by the U.S constitution in the congress;the president and the federal courts;respectively

the growing interconnectedness of the world through communication, trade, and the exchange of ideas is an important theme in the history of the 20th and 21st centuries.

explanation:

whats the question? im not quite understanding your question.