It had evolved into a World Power.
No. As a matter of fact, the US backed out of international affairs after WW1 by withdrawing from the League of Nations. It did become a world power after WW2
yes
The US and the Allies won the war and the US gained control of the Philippines, causing it to become a world power.
Admiral Mahan
money, and a strong military
money, and a strong military
After the 2 world Wars
big population
With the victory over the Spanish in the Spanish American, the US became a world power for the first time.
The quick destruction of two Spanish Fleets shook the world. The US had become a World power to everyones amazement.
US asserts itself as a world power because of her economic compatibility and military prowess. Further, US champions the cause of people fighting for democracy any where in the world. There was a balance in power with erstwhile Soviet Union. With their exit,US has become the lone world power. However, with the uprise of China who is flexing her muscles, she will be the toughest competitor of US in the near future both economically and strategically, to retain the world power title. However, since US fights for democracy and China is under communist regime, the choice is obvious for democratic and peace loving people all over the world.