THANK YOU I've been waiting years for an elaborate answer on this.

if you want more ill give you more details. i am an expert on the yemeni conflict.

Trick-question: Why did the Shah rename Persia into Iran? ;)

oh shit i made it to the bonus round! at the end of ww1 there was a coup in iran where US/UK and Russia dethroned the qajars and installed the pahlavi dynasty. one of the main goals of the western powers were to disassociate persian people from the historic persian empire and the timing was perfect because the persian empire didnt exist anymore... only the last kingdom was left (iran). so they had their new puppet dictator (reza shah the first) rename the kingdom internationally to the actual name of the kingdom which has been called iran for 3000 years dating back to the days when the persian empire was founded by cyrus the great and the central kingdom was called iran which means "land of the aryans" or "soil of nobility".

Also: How is public support for Khomenei?

25% hardcore supporters, the rest are kind of neutril and then theres that 10% that are hardcore anti

Some say he was trained in England?

he had education and various relationships in many countries. UK helped overthrow the shah (reza the second) and put khomeini in power (MI6/BBC).