Answer:
1st Lt James Harold Doolittle made another milestone flight on 24 September 1929. His milestone was the first successful blind flight—the act of taking off and landing relying solely on instruments inside the cockpit for guidance. He took off, flew five miles, and landed safely—all without looking out of the plane.
Explanation:
Modern nations can learn from the Ming Dynasty is how important trade is with other nations.
An important result of the Marshall plan is B
Answer:
Open Door policy, statement of principles initiated by the United States in 1899 and 1900 for the protection of equal privileges among countries trading with China and in support of Chinese territorial and administrative integrity. The statement was issued in the form of circular notes dispatched by U.S. Secretary of State John Hay to Great Britain, Germany, France, Italy, Japan, and Russia. The Open Door policy was received with almost universal approval in the United States, and for more than 40 years it was a cornerstone of American foreign policy in East Asia.