Biden scrapped Trump's plan and made the taliban one of the best equipped military in the world.Biden did a good job in Afghanistan, considering he was given the Doha agreement from Trump. Biden had to implement what Trump agreed to.
For Iran, the increase of exports increased 76% in 2021 relative to 2020, This is too much too fast for Biden to have an influence on it. This export increase is due to pandemic lifting causing oil demand to increase everywhere.