I would have to go with C or D. But I could not give a direct answer.
This statement would be more or less correct I would say.
Nationalism inded did develop strongly in the 19th century, and also in a lot of cases led into the development of nation states. At the same time, powerful empires that existed in those times had often many different ethnic and political groups in their borders. All of these factors often led to different wars that were quite horrible.
Answer:
i would switch popular sovereignty with republic and putt republic where popular sovereignty once was and change separation with the fifth one
Explanation:
This would impact the mans ability to absorb oxygen and to expel carbon dioxide
