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 ?
Actually it is not. In terms of firearms yes it could but Economy? If you will check out recent research, China appears to be one powerful country now. Whether it's economy, products and firearms.
US has become the most powerful country because of the countries it has colonized. The influence they made to countries they manipulated. But when you look at the statistics today, it's different not.