Why would a student use roman numerals to learn about history?

The people who came to the american colonies in the 17th century had already been exposed to the idea of limited government mainly to the phrase in the declaration of independence stating "that governments are instituted among men, deriving their just powers from the consent of the governed" illustrates the principle of

The nye committee report created the impression that america's entry into world war i was influenced by

What number was abraham lincoln president