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 ?
US did a good job in the past history. They have shown what they can and what they can do more. Eventually US build the string to connect with other country in different ways such as military, economy, workers, and others. US can never be defeated in my own views. They have upgraded gadgets, jets, weapon, and others. They still strong.