Muhammad bin Saud manages to bring a…

Muhammad bin Saud manages to bring a few parts of central and eastern Arabia under more or less effective Wahhabi rule.

His son, 'Abd al-'Aziz, is largely responsible for this extension of his father's realm by his exploits as commander in chief of the Wahhabi forces.

Riyadh, however, stubbornly resists the Wahhabi movement.