Turkey considers Israel an enemy and is allied with Iran and Libya.
The United States was infuriated by Iran's attack on the American embassy and wished to retaliate by arming Iran's enemy, Iraq.
Since the overthrow of Saddam Hussein (2003) and the US occupation there (2003-2011), Iraq is considered an ally of the United States and continues to receive military and foreign aid. The neighboring country of Iran, which has supplied guerrillas and other factions fighting the US, is considered (unofficially) an enemy of the United States.
Iran.
At the time, Iran was a bigger threat to the US, and giving Iran another strong enemy to worry about would help US in it's machinations against Iran.
Armenia was part of Iran for different periods of history (its takes time to write) but the modern Armenian came to Iran because Iran was the only power who could stand against Ottoman Turks that was enemy of Armenian (in east)
iran and afganistan
Saudi Arabia is likely more worried about Iran because Iran's Shiite Islamism makes Iran an intractable enemy. Saudi Arabia knows that as long as they monetarily support Islamic State that they can push off direct confrontation.
lamb heads and brains
The Italians
italians
Merlin is considered to be the only friend of Arthur and the Dragon is the enemy.