For the answer to the questions above, I believe that <em><u>it is because the constitution is a living document and it should not be stagnant and resistant to change, and is therefore allowed to change to meet the USA's needs at the time.</u></em> What is working before maybe won't work in the future.
The Iranian group seized fifty-two Americans (from the American Embassy based in Iran) and held as hostages as a response to the United States when they refused to hand over Shah Mohammad Reza Pahlavi which also lead into an Iranian Revolution.