Generally speaking, human dwellings in early Mesopotamia were made of "<span>bricks and wood", although it should be noted that sometimes these bricks were made from mud.</span>
According to Albert Barnes, their mistake was that they didn't speak against slavery. Although many of them believed that slavery was against god and against the idea that god made everyone equal, they didn't do much against it out of many reasons, either they thought it was a necessary evil or they were afraid of the public reaction.
I'm guessing you are talking about the Eastern Roman Empire, or the Byzantine Empire.
the Byzantine Empire a) remained strong for several centuries, until it fail to the Ottoman Turks at ~1346 ad
hope this helps
Andrew Jackson and Martin Van Buren
The Indian Removal Act was signed into law on May 28, 1830, by United States President Andrew Jackson. The law authorized the president to negotiate with southern (including Mid-Atlantic) Native American tribes for their removal to federal territory west of the Mississippi River in exchange for white settlement of their ancestral lands.The Act was signed by Andrew Jackson and it was strongly enforced under his administration and that of Martin Van Buren, which extended until 1841.
