Motion Sickness (Travel Sickness): Causes, Symptoms and Treatments. Written by Sy Kraft B.A. Motion sickness is a very common disturbance of the inner ear that is caused by repeated motion such as from the swell of the sea, the movement of a car, the motion of a plane in turbulent air, etc.
In a federal system of government, or a republic government, states function independently of one another. Although there is almost always a central power. Comments
The executive branch of the U.S. government is responsible for enforcing laws; its power is vested in the President. The President acts as both the head of state and commander-in-chief of the armed forces. Independent federal agencies are tasked with enforcing the laws enacted by Congress.