The first IQ test was written in early 1905.
1. Democracy
2.Property Rights
3.Education
4.Limited liability companies
Delegated powers is the answer!
An Empire, Well I wouldn't call us an Empire, but after the Spanish-American War in 1898, The United States DEFINITELY became an Imperial power.
The United States had gained Guam, Philippines, Hawaii, and Puerto Rico. Although they did not own Cuba because the Teller Amendment forbid America to do so, the sneaky Platt Amendment had forced Cuba to sell lands to America... Of these lands are Guantanamo Bay, which, although the Platt Amendment was overturned during Roosevelts term, still stays a US possession today.
That is not an easy answer it's hard to quantify how a place a place treated a certain person for group of people I imagine the southern colonies were tougher for African Americans but other than that I imagine that it was all close to the same