What were Marwanids responsible for in the Umayyad dynasty

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.

The transcontinental railroad provided a means of fast transportation. it cut a 6 month trip into 6 days, created jobs for many people and encouraged immigration. the homestead act played a huge role in western expansion; it allowed settlers to begin a fresh start, and gave them land in exchange for their residence for up to five years and a small fee.