Article: In August 2007, an increase in the price of diesel and petrol led to Saffron Revolution led by Buddhist monks that were dealt with harshly by the government. The government cracked down on them on 26 September 2007. The crackdown was harsh, with reports of barricades at the Shwedagon Pagoda and monks killed. There were also rumours of disagreement within the Burmese armed forces, but none was confirmed. The military crackdown against unarmed protesters was widely condemned as part of the International reactions to the Saffron Revolution and led to an increase in economic sanctions against the Burmese Government.

Now answer this question: What was the cause of the insurrection in the summer of 2007 ?
an increase in the price of diesel and petrol