Answer: Because the Vietman war ended in 1975 and the result was not favorable to the USA.
Explanation: In the Vietnam war, many American soldiers died: 58,169 fatalities and 1700 missing in action. About 3.7 million to 5.7 million people Vietamese died. The US spent about 168 billion dollars in the Vienam war equivalent to 950 billion dollars of 2011. The result of the war was not positive for the American interests in Asia which was to stop the spread of Comunism. This outcome made goverment officials and people who formulate foreign policies rethink the role of America when intervening in other countries.
<em>The idea of American government intervention was undermined in the 1970s due to the Vietnam War that was concluded in 1975 and the result of war did not favor the USA.
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<u>Explanation:</u>
Vietnam was sawed many soldiers die, and several of them went missing. Millions of Vietnamese had died. The US spent over 160 billion during the war.
The US oil management remained mostly in place, however; the "federal government" and the "regulatory agencies" helped in setting oil prices that kept controlling the "imports" as well as domesticproductionmanagement.
The correct answer is c. to discuss plans to build an atomic bomb
The creation of the Atomic bomb was a secret and the world found out about it when it was thrown in Japan. This was not discussed at the Tehran conference.