The Iconoclast controversy caused the banning of religious icons in Christianity and the killing of supporters of the veneration of icons. The iconoclast controversy happened twice during the Byzantine Empire. This impacted the growing divergence between Western and Eastern Christian traditions, but the Western Church stood firmly with the belief that icons could be used, but the Church was still unified at the time.
It helped power the trains and steam boats.
When Texas wanted to join the Union right after becoming independent in 1836, one of the reasons why the annexation was blocked was because Texas would have been a slave state. ... The people in Texas wanted slavery to continue, which would assist with the growing of cotton.