6-Political machines (1870-1900) (jan 1, 1870 – jan 1, 1900)
Description:
"political machine, in U.S. politics, a party organization, headed by a single boss or small autocratic group, that commands enough votes to maintain political and administrative control of a city, county, or state."https://www.britannica.com/topic/political-machine
Added to timeline:
Date:
jan 1, 1870
jan 1, 1900
~ 30 years