Conversation so far:
What was Ruhollah Khomeini's opposition to the white revolution?
Ruhollah Khomeini viewed them as an attack on Islam.
What were some of the white revolution's points?
The Shah announced the White Revolution, a six-point programme of reform calling for land reform.
What was the second point of the White Revolution's reforms?
The Shah announced the White Revolution, a six-point programme of reform calling for nationalization of the forests.
What was the the third point of the White Revolution's reforms?
The Shah announced the White Revolution, a six-point programme of reform calling for the sale of state-owned enterprises to private interests.
why did the Shah attack the ulama?
Because Ruhollah Khomeini issued a strongly worded declaration denouncing the Shah and his plans.
What were the other points of the white revolution?
The Shah announced the White Revolution, a six-point programme of reform calling for electoral changes to enfranchise women and allow non-Muslims to hold office.
What was the last point of the white revolution?
The Shah announced the White Revolution, a six-point programme of reform calling for a literacy campaign in the nation's schools.
Did Ruhollah Khomeini have any struggles with his opposition towards the white revolution?
Ruhollah Khomeini was detained.

Question: how long was he detained?
Self-contained rewrite: how long was Ruhollah Khomeini detained?