The fur trade was a big thing in America in the 1800s, along with Buffalo meat. These were many things early Americans started to industrialize.
Due to an increased population size, public health and housing became a big problem, underpaid jobs were common and they were mostly dangerous and surprisingly, it was hard to find jobs of any kind
Check google, they have a lot
En la Edad Media, el mundo musulmán se extendía desde la India hasta España, pasando por Jerusalén y Tierra Santa. Para judíos, cristianos y musulmanes, Jerusalén era y sigue siendo una ciudad santa. De hecho, para los cristianos medievales era el centro de su mundo espiritual y geográficamente según sus mapas.