Answer:
1.People spent less money on goods and services.
2.People lost their savings
3.Businesses close.
4.The stock market crashed.
The weather affected the building of the Panama Canal quite negatively because the hot, humid weather made the work exhausting. The workers had to take long pauses until it was suitable for them to work again, because it was scorching hot in Panama so that no work could be done. This greatly slowed the process of building the Panama Canal because the workers didn't have the required conditions under which to work properly.
If you are talking about the United States during World War I OR World War II, here is your answer.
The US federal government took over significant control of private corporations during wartime. The government forced many businesses to switch from their normal operations in order to produce goods for the war effort. For example, during World War II, companies like Ford switched from making cars to things like tanks and ammunition. This type of government intervention would ensure the US was completely prepared for the war.
They never searched for silk in Africa because there was none, All the silk is in Asia