D. South America is not touched by the Mediterranean Sea~
One reason that Islam spread so quickly is that its philosophy was captivating, progressive, and was considered extremely "modern" at the time. another reason it spread quickly is because of its large, and extremely adhering armies, its strategy, and its military might
The worker were the lower class and the poor. They did labour. They lived in the poorest and the dirtiest places in the city, furthermore that's how they got diseases, like smallpox and other really bad fevers. Also they mostly worked in textile factories. They accepted these jobs because that's the only jobs they could have. The owners treated them bad because they wanted the kids to work more and harder. Hope i helped :).
