Specialized union. We need people with different set of skills like some people be trained in electrical and others in plumbing
The correct answer here is D
<span>D. Returning soldiers spread Spanish flu, killing millions, and leaving others unable to work.
</span>
<span>It has been cited as the most devastating epidemic in recorded world history. More people died of influenza in a single year than in four-years of the Black Death.Dealing with this flu added problems to already strained economies.</span>
They were laws in the early history of the American south which legalized the segregation between blacks and whites.
