###Answer the question from the input provided. Please answer from input only.

###Input: In 1979, the Soviet Union deployed its 40th Army into Afghanistan, attempting to suppress an Islamic rebellion against an allied Marxist regime in the Afghan Civil War. The conflict, pitting indigenous impoverished Muslims (mujahideen) against an anti-religious superpower, galvanized thousands of Muslims around the world to send aid and sometimes to go themselves to fight for their faith. Leading this pan-Islamic effort was Palestinian sheikh Abdullah Yusuf Azzam. While the military effectiveness of these "Afghan Arabs" was marginal, an estimated 16,000 to 35,000 Muslim volunteers came from around the world came to fight in Afghanistan.

Another factor in the early 1990s that worked to radicalize the Islamist movement was the Gulf War, which brought several hundred thousand US and allied non-Muslim military personnel to Saudi Arabian soil to put an end to Saddam Hussein's occupation of Kuwait. Prior to 1990 Saudi Arabia played an important role in restraining the many Islamist groups that received its aid. But when Saddam, secularist and Ba'athist dictator of neighboring Iraq, attacked Saudi Arabia (his enemy in the war), western troops came to protect the Saudi monarchy. Islamists accused the Saudi regime of being a puppet of the west.

These attacks resonated with conservative Muslims and the problem did not go away with Saddam's defeat either, since American troops remained stationed in the kingdom, and a de facto cooperation with the Palestinian-Israeli peace process developed. Saudi Arabia attempted to compensate for its loss of prestige among these groups by repressing those domestic Islamists who attacked it (bin Laden being a prime example), and increasing aid to Islamic groups (Islamist madrassas around the world and even aiding some violent Islamist groups) that did not, but its pre-war influence on behalf of moderation was greatly reduced. One result of this was a campaign of attacks on government officials and tourists in Egypt, a bloody civil war in Algeria and Osama bin Laden's terror attacks climaxing in the 9/11 attack.

While Qutb's ideas became increasingly radical during his imprisonment prior to his execution in 1966, the leadership of the Brotherhood, led by Hasan al-Hudaybi, remained moderate and interested in political negotiation and activism. Fringe or splinter movements inspired by the final writings of Qutb in the mid-1960s (particularly the manifesto Milestones, a.k.a. Ma'alim fi-l-Tariq) did, however, develop and they pursued a more radical direction. By the 1970s, the Brotherhood had renounced violence as a means of achieving its goals.

The path of violence and military struggle was then taken up by the Egyptian Islamic Jihad organization responsible for the assassination of Anwar Sadat in 1981. Unlike earlier anti-colonial movements the extremist group directed its attacks against what it believed were "apostate" leaders of Muslim states, leaders who held secular leanings or who had introduced or promoted Western/foreign ideas and practices into Islamic societies. Its views were outlined in a pamphlet written by Muhammad Abd al-Salaam Farag, in which he states:



###Question: Whose ideas became increasingly radical during his imprisonment? 

###Answer: {'answer':'Qutb's'}