I think C. will be the right choice!
B. If you look at the dates, the earliest instance of the plague started in the south. Then, it continues to spread upwards and to the west, and the dates continue chronologically, from 1347 to 1349.
Many people migrated from the North and East to the Sun Belt states during the 1950s because of the interstate highway system.
The final solution was the Nazis' answer to a problem that they didn't have. It consisted of demonizing and persecuting people they didn't like, and then working them, starving them, and killing them. Roughly six million Jews died during the Nazi Holocaust.
Abraham Lincoln is my answer