I think you forgot to add the options but based on my research, the correct answer is "The unemployment rate increased in cities." This statement describes an effect of urbanization. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.
They do not recognize the Armenian genocide because they were killing the
President Roosevelt saw support from the Allies involved in World War II
increase due to his strong victory during the 1940 Presidential
election, where he easily defeated Wendell Willkie