USA HISTORY

Detailed explanation-1: -It is true that Ohio was a free state, a state that prohibited slavery. But there are other forms of bondage.

Detailed explanation-2: -Maryland is known as both the Old Line State and the Free State. Old Line State. According to some historians, General George Washington bestowed the name “Old Line State” and thereby associated Maryland with its regular line troops, the Maryland Line, who served courageously in many Revolutionary War battles.

Detailed explanation-3: -It was a major issue during the writing of the U.S. Constitution in 1787 and was the primary cause of the American Civil War in 1861. Just before the Civil War, there were 19 free states and 15 slave states.