Answer:
Supreme Court justices have life tenure, and so they serve until they die, resign, retire, or are impeached and removed from office. For the 106 non-incumbent justices, the average length of service was 6,203 days (16 years, 359 days).
Explanation:
Everything else that uses steam, From the Cotton mills to the boats to the trains.
The foundation of Jim Crow laws was that the "African Americans are culturally and intellectually inferior to white people."