The slave trade from Africa to the America changed the world, undoubtedly.
Joseph Stalin was ( c ) a cruel leader of the Soviet Union. After Lenin´s death Stalin took over as leader of the Soviet Union. He believed that he should change the country from agricultural to industrialized, building factories all over the Soviet Union. He is known for his cruelty. He order several "purges" in which people he thought were against him would be killed or sent to slave labour camps.
People thought that an alien invasion was happening
Communicate with other peope