These five nations run the world.
1. United States of America
The United States is the economic and military power that rules the globe. China and Russia may be gaining more power in their respective regions of the world, but neither challenges the United States on a global level. No major international event takes place without some level of US involvement.
2. China
China has an economic system much like 19th century industrialized America. They use long hours, cheap labor, and their massive amount of will workers to produce more goods than almost any other nation. China is famous for its enormous and profitable factories. Their army's sheer size makes them formidable against any army. China is also in the UN Security Council.
3. Russia
Russia is a member the UN Security Council and their control of the European oil and gas markets give them huge economic power in Europe. Russia is also known as the unconquerable land due to its sheer size and harsh winters. Like all countries listed they also have enough Nuclear weapons to destroy the entire world.
4. United Kingdom
The United Kingdom has been a global power for many centuries. Although their power has significantly declined over the past hundred years the UK still has a successful economy. The UK is also part of the UN Security Council and has thousands of Nukes at their disposal.
5. Germany
Germany is famous for its manufacturing and engineering. It also is a strong member of NATO with Nuclear Weapons. Germany is able to use their economic power to gain a large influence over Europe.