<span>Eisenhower Doctrine, (Jan. 5, 1957), in the Cold War period after world War II, U.S. foreign-policy pronouncement by President Dwight
D.Eisenhower promising military or economic aid to any Middle Eastern country needing help in resisting communist aggression.</span>
The best options from the list would be that "A. The early Chinese learned to
produce silk," "B. A surplus of food crops allowed people in early China to become craftsmen and artisans," and "<span>E. They relied on a single, long growing season for rice," since this abundance of food led to other trades being developed. </span>
Every dynasty was like a trial and error period on how to succeed. By the Qing empire, everyone was sick of dynasties so they became a republic and eventually a communist autocracy.
The limits was that testing could only occur underground for nuclear weapons testing.
The limits agreed to by the United States, the Soviet Union, and the United Kingdom regarding nuclear weapons testing in 1963 were that testing could only take place underground and that it could not take place underwater, in the atmosphere, or in outer space.
This was due to the fact that the explosions could be contained and no radiation was released into the atmosphere due to nuclear weapons. It was forbidden to do it outside, in water, or in outer space. They were only allowed to test underground to ensure that the tests were safe for the rest of the world. Examining earthquakes now can reveal whether tests are being conducted without the public's knowledge.
Learn more about nuclear weapons here-
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