That's because southerners didn't want anyone interfering with their social class set up, or compete for jobs with African American workers.
Answer:
Urbanization
Explanation: Millions poured into cities for jobs in factories during the industrial era. This rapid urbanization resulted in overpopulation, crowded tenements, strain on city service, health issues etc.
Answer:
<em>Germany entered World War I because it was an official ally of Austria-Hungary, which had declared war on Serbia after a Serbian nationalist shot the heir to the throne of Austria-Hungary. Germany's allies were Austria-Hungary, the Ottoman Empire, and Bulgaria</em>.
