What three factors the united states become the worlds leading industrial power by the 1920s?

The answer is below

Explanation:

An example of a civil engineering project in my area is a Bridge.

This Bridge serves my community in various ways, among which are:

1. It helps us connect two important places separated by water.

2. It serves as a route for transporting goods between producers and the markets.

3. Community members serve as maintenance workers of this bridge, which also makes it to serve more economic purposes.