Hominins were allowed to create tools because of Opposable thumbs.
Answer:
economic units drafted(whole towns disappeared), and related to gold extraction, many enthronements were destroyed by the recovery process.
Ayatollah Khomeini lead an opposition movement in Iran against Reza Shah Pahlavi to overthrow the authoritarianism type of government that the people disliked and create a new government. The people were fed up with the rule of Pahlavi and they wanted the change. Ayatollah Khomeini took advantage of this mood and returned to his country from exile.
I think it is debt from war... hope this helps!