America
First, this is an economic superpower country, in 2017, the nominal GDP of the US was $ 19,390 billion and ranking No. 1 in the world. This is the country with the most dollar billionaires in the world, 585 people with total assets of over 1 billion dollars.
Second, this is a military superpower country. The US spent $ 610 billion in 2017, the number of military aircraft was 13,362 units, 5,882 tanks.
Finally, the United States is the country with the most nuclear weapons in the world, this is one of two countries that can erase all humanity (the second country is Russia).
