Question

During the Reconstruction Era, the fastest-growing sector of the economy

Answer 1

The Railroads indristy and build was growing super fast
Railroads were coming up everywhere in the U.S
This is because of the man who built America. They were the people who made electricity come to be. The high indunstry making of steel that made buildings reach a new height. As well as building railroads that will soon reach all parts of the U.S which we can see today.