Slaves were shipped mainly from Africa to the U.S through the Atlantic Ocean, then sold to mansions where they worked for the rest of their lives.
Answer:
The Carolingian Empire weakened after the death of Charlemagne. The empire was divided into three parts, ruled by Charlemagne's grandsons. The middle of the three kingdoms was weak and was absorbed by the eastern and western kingdoms. These two kingdoms would emerge as the modern countries of France and Germany.
Americans noticed that after the end of the Second World War, the geopolitical landscape of the world would change in favor of the United States, as it no longer had a threat in Europe nor had a threat in the Pacific Ocean, as the Empire of Japan was defeated during the war. This favorable scenario let the United States grow in economic and military power. Two processes that were perceived by the average American citizen, as job opportunities grew due to the development of the industry, leading to improving his or her living conditions.
It literally devastated European economy so bad, that they threw out bags of money because it had no worth.