1991, when sovet union broke up, which is the sign of the end of the cold war.
Wage freezes reduced consumer spending
Quite the opposite occurred, after WW2, people started spending a lot in the years to come because the US was very rich.
Answer:
you could get money faster and mass produced
Explanation:
<span>The steamboat was invented because of the efficiency of a steam boat was much better than a simple paddle boat. You also didn't have to do as much work because it was steam powered. It also saved time on things and traveled faster, farther, and could carry more loads. </span>