An executive order is an official directive from the U.S. president to federal agencies that often have much the same power of a law. Throughout history, executive orders have been one way that the power of the president and the executive branch of government has expanded—to degrees that are sometimes controversial.
Lind's experiments at sea tested some potential cures for scurvy. His experiments were important because he discovered the use of citrus fruit as a cure for scurvy. It ranks as one of the first clinical experiments in the history of medicine.
