The turn of the 20th century was a momentous time in U.S. history. After defeating imperial Spain in a brief but consequential war, America had expanded its global reach, with a footprint that stretched from Cuba and Guam to the Philippines. The country was developing and harnessing new technology like no other nation, its economic and diplomatic power was soaring, and it had nudged Europe and Japan toward a collective policy with China that favored U.S. interests.
