The containment was successful in the Cold War when we were preventing Communism from spreading through Europe and Asia and also in the isolationism in the United States that limited its involvement in world affairs
Hope this helped
Renaissance began to flower in Italy, and northern Europe was recovering from Black Death. In 1400s, the cities of north enjoyed economic growth and wealth needed to develop own Renaissance.
Bacon's rebellion led to the Colonists adopting slavery as the primary source for labor. Bacon's rebellion was led by a group of former indentured servants who were now free, without work, idle, and looking for trouble. With slaves they were never free, never looking for trouble, and never out on the prowl. After the 1676 rebellion led by Bacon, the colonies decided that black slaves from Africa would be the way to go, since they never got their freedom.
It alowed the tale to be spread not just orally but also to be written down and preserved better