107488
His proposals for a type of voting system known as cumulative voting gained significant support in Congress , and he played a central role in the adoption of cumulative voting in several places , including Illinois for state legislative elections in 1870 , a system that lasted in that state until 1980 .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None