Answer:
Johann Gutenberg was a German (1400 – 1468) who invented the printing press substituting the hand written press by printing technology of the time. Gutenberg started the printing revolution and is recalled as the milestone of the modern history period laying the basis for modern knowledge for the era of mass communication.
Thomas Jefferson wanted to buy the Louisiana Purchase for several reasons. First, it would double the size of the United States. From this deal, the US would gain roughly 828,000,000 square miles of territory from the French. Another reason why Jefferson wanted to buy this territory was because it would help to get rid of European influence in America. Since the US recently became independent, they wanted to expand their power and influence without worrying about conflict with European nations. Along with this, Jefferson was expanding America's territory in order to fulfill their "manifest destiny." Jefferson's purchase is the beginning of this concept, which is based around the belief that it is America's god given right to control all the land from the Atlantic to Pacific Ocean.
Textile mills, merchants, and Northern American workers were afraid that freed African Americans could take their jobs.
Vladimir Lenin was famous he was a dictator in another country if that helps.