Answer: this will help
it was a Voting strategy. Many machines formed in cities to serve immigrants to the U.S. in the late 19th century who viewed machines as a vehicle for political enfranchisement. Machine workers helped win elections by turning out large numbers of voters on election day.
The answer is A- the study of human past. this would be the most accurate because history is essentially just records of past events in human history that we study. hope this helps!!
The answer would be A. Naturalism. Hope this helps ^_^.