During the industrial age, what was the main way that businesses informed consumers about new inventions they could purchase?

d

Explanation:

originally he was supposed to be dead but they wanted to continue the series so they brought him back to life.

  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