After the second world war, US became the most powerful country in the modern world. With nuclear weapons, space explore, big scientific progress. But what can be the reason for this huge power ? Military power ? Strong economy ? Diversity in society ? Or something else ?
USA didn't have huge damage as a result of the second world war comparing with European countries. USA gave them a lot of credits so European countries remained debtors to the United States. Plus USA were selling them weapons and this is a huge amount of money