Throughout this reign, continued revolts by Byzantine Sicilians happened, especially in the east, and part of the lands were even re-occupied before being quashed. Agricultural items, such as oranges, lemons, pistachio and sugar cane, were brought to Sicily, the native Christians were allowed nominal freedom of religion with jaziya (tax on non-Muslims, imposed by Muslim rulers) to their rulers for the right to practise their own religion privately. However, the Emirate of Sicily began to fragment as inner-dynasty related quarrels took place between the Muslim regime.