Bacterial pneumonia Bacterial pneumonia is a lung infection caused by bacteria, and causes a cough, fever, weakness and more. Contact dermatitis Contact dermatitis is a rash on the skin that can be itchy, painful, tender swollen and even blistered. Fever seizures in children Fever seizures, childhood seizures that occur with a fever, can cause loss of consciousness and twitching.
Why is the United States the worldâs most powerful country? The United States is the worldâs only superpower, dominating the worldâs economic and political systems. With the strongest military and economy, the United States is capable of global power projection, giving it significant influence worldwide. Few countries dare to oppose Americaâs political agenda.
In this lesson, you will learn about Alfred Thayer Mahan and his theories. The United States has the most powerful navy in the world, but this was not always the case. During the 1700s and 1800s, the United States had a large enough navy to defend itself, but it was nowhere near big enough to make us a world power. The theories of Alfred Thayer Mahan, however, did quite a bit to influence not only the U.S. Navy, but other sea powers around the world.