Answer: first appearances of gunpowder artillery
Explanation:
The president is isolated when his/her decisions are no longer objective due to his place in office.
The United States has gradually continued to sail on a path of gradual economic globalization. After World War 2 in 1945, the society made a shift from a wartime economy to encourage fewer government regulations in Business.
This increased integration of the United States into the world economy resulted in a massive impact on the continued globalization and varied world economic structures.
