What was the main reason so few children went to school during the progressive era?

b.   jim crow laws were enacted in northern states.

i can

explanation:

  the common sense as a pamphlet written by thomas paine. it promoted the independence of the colonies from british rule. the distribution of this pamphlet was great, it reached people everywhere and it was even read aloud at places people met. it also unite the colonists before the revolutionary war.

answer is d