America and Iran

During the Iranian Revolution, America had done something to the Iranian people that had upset them to an extent where they claimed America was purely evil. Iran had many oil companies that had oil plants. These oil plants were owned by foreign companies, mainly companies in America. Prime Minster Mossadeq decided to nationalize them, and keep the oil companies for Iran's benefit, which inspired the people and made them very nationalistic as well. However, this would not have been good for the United States, because it was their oil companies, and then they would end up losing money and oil for themselves. To solve this problem, the President, Carter, directed a CIA mission to overthrow the Prime Minister and put in Fazlollah Zehdi, a prime minister "on America's side." This enraged the Iranians, as they lost a major source of revenue, and it made them feel as though the United States was their new authoritarian leader, which they tried so hard to rid their country of with Reza Shah.
In my opinion, I feel as though if American did not interfere in the affairs of Iran, it would have been much different. What if America approved the movement of nationalizing the oil? Would Iran and America maintained the alliance? If the alliance was kept, there would have never been a hostage crisis. Would this be good or bad? Well, if there were no hostage crisis, then the Revolutionary Council would not be put in the legislative branch of their government. Iran may have continued to progress towards democracy by itself, as they would have remained influenced by the United States. Democracy would have found its way to Iran, and I feel as though it would have then arrived earlier. However, there would be a price to pay, as the United States would lose much revenue through the deplete in oil profit, but if it were possible to sustain financial stability without these oil deposits, the United States should have done nothing but support them.