Explanation:
oxidation-reduction reaction, also called redox reaction, any chemical reaction in which the oxidation number of a participating chemical species changes. The term covers a large and diverse body of processes.
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Because after the second world war, there was a surge of immigration that flowed to the United Staes. There was also a substantial amount of people who were intelectuals that were flocking to this country. All of this led, of course, to dramatic changes following World War 2.
