There are no options given, but historically speaking it was the invention of "Cotton Gin".
A cotton gin was a revolutionary invention which enabled people to
easily separate cotton fibers and seeds; previously it used to take a large
time sorting it manually. The inventor behind this was <span>Eli Whitney. The processing was made easy but
still slaves were needed to grow cotton.</span>
The part of the selection process for all federal judges is that they are being appointed by the president and approved by the Senate
<u>Explanation:</u>
The selection process of all the federal judges which include justice of Supreme court, justices of appellate court and justices of district court, are to be appointed by the President or rather say nominated by the President, which are then approved or rather say confirmed by the Senate members of the U.S Senate.
This selection process has been stated under the United States of American Constitution. The President nominates any candidate which is then required to fill a questionnaire which is then taken for review to the Senate Judiciary Committee
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"The Cold War" was an era <span>of high tension between the United States and the Soviet Union.</span>