Which of the following reflects a Gilded Age-era development that sought to correct social inequities or economic problems of the time? (5 points)

Plessy v. Ferguson upheld segregation as long as facilities were "separate but equal."
The American Protective Association battled a perceived attempt of the Roman Catholic Church to control society.
The Chinese Exclusion Act banned international migration from China.
The Interstate Commerce Act established regulations for the railroad industry.