Today Ibn Abd Al-Wahhab's teachings are the official, state-sponsored form of Sunni Islam The US State Department has estimated that over the past four decades the capital Riyadh has invested more than bn (£6bn) into charitable foundations in an attempt to replace mainstream Sunni Islam with the harsher, intolerant Wahhabism.
(as of 2017 changes to Saudi religious policy by Crown Prince Muhammad bin Salman have led some to suggest that "Islamists throughout the world will have to follow suit or risk winding up on the wrong side of orthodoxy".
According to most sources, Ibn Abd al-Wahhab declared jihad against neighboring tribes, whose practices of asking saints for their intercession, making pilgrimages to tombs and special mosques, he believed to be the work of idolaters/unbelievers.
It was only after the death of Muhammad bin Saud in 1765 that, according to De Long-Bas, Muhammad bin Saud's son and successor, Abdul-Aziz bin Muhammad, used a "convert or die" approach to expand his domain, However, various scholars, including Simon Ross Valentine, have strongly rejected such a view of Wahhab, arguing that "the image of Abd’al-Wahhab presented by De Long-Bas is to be seen for what it is, namely a re-writing of history that flies in the face of historical fact".
The result that safeguarded the vision of Islam-based on the tenets of Islam as preached by Muhammad ibn Abd al-Wahhab was not bloodless, as 40,000 public executions and 350,000 amputations were carried out during its course, according to some estimates.
Under the reign of Abdul-Aziz, "political considerations trumped religious idealism" favored by pious Wahhabis.
It was at this time, according to De Long-Bas, that Wahhabis embraced the ideas of Ibn Taymiyya, which allow self-professed Muslims who do not follow Islamic law to be declared non-Muslims – to justify their warring and conquering the Muslim Sharifs of Hijaz.
The two families have intermarried multiple times over the years and in today's Saudi Arabia, the minister of religion is always a member of the Al ash-Sheikh family, i.e., a descendent of Ibn Abdul Wahhab.
advocating a purging of such widespread Sunni practices as the veneration of saints and the visiting of their tombs and shrines, all of which were practiced all over the Islamic world, but which he considered idolatry (shirk), impurities and innovations in Islam (Bid'ah).
Eventually he formed a pact with a local leader, Muhammad bin Saud, offering political obedience and promising that protection and propagation of the Wahhabi movement meant "power and glory" and rule of "lands and men".
different types of property, weapons, clothing, carpets, gold, silver, precious copies of the Qur'an." Saud bin Abdul-Aziz bin Muhammad bin Saud managed to establish his rule over southeastern Syria between 18.
However, Egyptian forces acting under the Ottoman Empire and led by Ibrahim Pasha, were eventually successful in counterattacking in a campaign starting from 1811.