The mimeograph was the copy machine which was used in the past times to duplicate the copies of an original content. It started as a small scale copy machine used in the class room and went out to be worked as the duplicating one on a business scale. It was in the month of August on 8th of the year of 1876, when it was given patent copy rights to Thomas Edison with auto-graphic printing and electric pen.
The answer is "t<span>he confederation among the states was too strong and too centralized" as this statement is not true so it can not be a disadvantage. </span>
