C. They were laws that segregated blacks and whites in the south
If you are asking what 9/11 was about, it was the day when the twin towers got hit by 2 planes, and was stated as a terroist attack.
This historian would be using the skill of "comparative analysis," since he or she is comparing a wide variety of sources to draw a conclusion between them as a group.
The walls of Benin city and the other Hausa city states contribute to their development ans success because it <span>protected people and made merchants feel safe</span>
Other countries entered the on-going civil war and dividedly supported the republican or the nationalists. The German intervention triggered World War II when it supported the Nationalists, while France and Britain supported the Republicans. The military interventions led the countries to war.
Germany provided heavy military training and tactics to the Nationalists that later was formed as the Condor Legion, which led the Nationalists military. The Condor Legion experienced successive victories because of their rigorous training, however, in the end, they were defeated by Britain's army.
