The Umayyad Caliphate ruled the Islamic Empire from 661-750 CE. It succeeded the Rashidun Caliphate when Muawiyah I became Caliph after the First Muslim Civil War. Muawiyah I established his capital in the city of Damascus where the Umayyads would rule the Islamic Empire for nearly 100 years.
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In general the common argument is "This development paved the way for the use of nuclear energy". There are of course cons to nuclear power as well, but these are known.
