Mohammed bin Salman
When President Trump got to power the relations between the US and Saudi-Arabia were bad, President Obama had pressured Saudi-Arabia for diplomacy with Iran and to rely less on the US for defense. President Trump was just like bin Salman in its view of Iran as the greatest danger in the middle east, and also disagreed with Obama’s policy in the Middle East. President Trump let other countries do their internal affairs without pressuring on human rights for example, which is convenient for bin Salman as human rights or not very good in Saudi-Arabia. As President Trump saw Iran as the biggest danger in the Middle East he saw the Houthis as Iranian puppets and thus supported and assisted the Saudi invasion. President Trump also spread confusion about the CIA report on the killing of Kashoggi about him doubting if bin Salman really gave the order to kill and sold weapons to Saudi-Arabia.