He does not just happen to attend; he was the first one to receive a personal invite from Gatsby's butler. After that, he begins to form a friendship with Gatsby and goes to his parties regularly. Hope that helps :/
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.
C. they didn't think he was doing enough to help people.
C. Mao Zedong was a communist leader in China, in 1937.