Zia formally assumed the presidency in 1978 and embarked on an Islamization program. Through various ordinances between 1978 and 1985, he instituted the Islamization of Pakistan’s legal and economic systems and social order. In 1979 a federal Sharia (Islamic law) court was established to exercise Islamic judicial review. Other ordinances established interest-free banking and provided maximum penalties for adultery, defamation, theft, and consumption of alcohol.
The Soviet intervention in