Why was the fourteenth amendment widely cited in the post-civil war economic boom, when businesses sought to escape from unwanted regulation by the states?

Can someone me out with this , i'm putting 30 points on it

Why did federal government use a laissez-fair

In one or two sentences, summarize the author’s thesis statement about the equal rights amendment (era). how does this article excerpt give you a better understanding of the political difficulties that faced era proponents in the mid- and late 1970s?