How did ford motors build their cars before the invention of the assembly line?

Simple. They did not have production lines before Ford.

Explanation:

On December 1, 1913, Henry Ford installs the first moving assembly line for the mass production of an entire automobile. His innovation reduced the time it took to build a car from more than 12 hours to two hours and 30 minutes. The most significant piece of Ford's efficiency crusade was the assembly line.

he risk-return relationship. generally, the higher the potential return of an investment, the higher the risk. there is no guarantee that you will actually get a higher return by accepting more risk. diversification enables you to reduce the risk of your portfolio without sacrificing potential returns.

explanation:

according to worldatlas.com, the u.s. has an 86% literacy rate.