What city did the abbasid dynasty build in a strategic location to serve as the capital of the islamic empire? baghdad jerusalem damascus

The Abbasid Dynasty founded Baghdad around the year 762. The decision to relocate the Islamic capital from Damascus (the capital of the prior Umayyads Dynasty) came after the Abbasid rulers usurped regional power from their predecessors and thus sought to relocate power to a distant area. Baghdad would eventually become a flourishing city during the Abbasid period until the infamous Sacking of Baghdad by the Mongols in 1258.

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.