The Birth of an American Empire (4 Lessons)
The last decade of the 19th century was a time of great hope and anxiety. The major European empires and Japan threatened to exclude U.S. businesses from vital overseas markets and challenge U.S. security in the Western Hemisphere. Yet Americans shared the general optimism of the era that science, commerce and civilization had reached the point where great power conflict might be prevented or at least limited by international cooperation.
https://edsitement.neh.gov/curriculum-unit/birth-american-empire