The movable type was invented around AD 1040 in China during the Song Dinasty. It was a way of printing in which movable elements were used to reproduce documents, usually on paper. It had a great influence on learning if we consider that paper books could be printed and spread to different places
The investiture Controversy or investiture Contest was a conflict between church and state in medieval Europe.. The investiture controversy began as a power struggle between pope Gregory VII and Henry IV, Holy Roman Emperor.
During a speech in Wheeling, West Virginia, Senator Joseph McCarthy (Republican-Wisconsin) claims that he has a list with the names of over 200 members of the Department of State that are “known communists.” The speech vaulted McCarthy to national prominence and sparked a nationwide hysteria about subversives in the American government.
One of the three branches of government could become more powerful than the others
