Discovery of streets arranged in a grid like pattern and a system of pipes for moving water in Harappa and Mohenjo-Daro suggest that these ancient river <span>valley cities in South Asia had "organized government," since the construction and planning of these systems requires a strong central authority. Hope this helps :)</span>
The term that is defined as “a legal doctrine that permitted racial segregation in public facilities" would be "Jim Crow", which was a series of such laws passed in the South after the Civil War.
