I think that President Trump’s declaration of backing for the People of Iran is a major move that will encourage them. Remember that Obama declared support for Khameni and the Revolutionary Guard that was suppressing the popular revolt. Also, don’t forget that he may have authorized covert support for the Iranian people protesting the shoot down of the airliner and its lying about it.
And the government has been shake by the President’s ordering the killing of Gen Soleiman, which they didn’t think he would do. They expected him to be a ‘paper tiger’ like Obama.
Actually I don’t think it was because Obongo was a paper tiger, he was on the side of the Mulahs. His no 2 is an Iranian