The correct answer to this open question is the following.
The factor that played in the United state enjoying economic prosperity during the roaring '20s was that the country did not incur in big amounts of debt during World War 1, as Europeans countries did. Indeed, the United States loaned big sums of money to Western European countries to support the war effort. That is why the United States could live a period of economic prospeity in those years called "the Roaring 1920s," a period in which people had money or could buy using credit all the things they needed or they liked.
Nazi leader Adolf Hitler violates the Treaty of Versailles and the Locarno Pact by sending German military forces into the Rhineland, a demilitarized zone along the Rhine River in western Germany.
B. Public railroads for people who had carriages.
The best statement to complete the diagram is that African Americans migrated to obtain jobs in northern factories.
<h3>Why were African Americans able to get jobs?</h3>
WWI had drained the nation of the manpower needed to sustain industrial production. This manpower however, had mostly been White people.
With them being in shortage on account of joining the army, African Americans were able to take their place and moved to the North to work in factories.
In conclusion, option B is correct.
Find out more on labor shortage in WWI at brainly.com/question/404503.
<span>Many standard contracts of an indentured servant failed to mention the servants wages because</span> servants did not get paid any wages.
