The Sahara Desert is the reason that north africa is differently developed than southern africa.
The correct answer to this open question is the following.
The question is incomplete. Indeed, there is no reference to your previous answer. However, by reading the answers attached we can say that the topic is the Industrial Revolution in the United States. So all those answers can be valid because that is what happened at that time.
People that lived in rural American moved to larger cities such as New York or Chicago, where the big industries and factories were located. Those fabrics were offering plenty of jobs, although those were low-paid jobs. Immigrants came to the United States looking for better conditions for their families and they were hired in the factories. There was a negative side to all of this. Immigrants and poor people worked under unhealthy conditions in places with no ventilation. To make things worse, they lived in crowded spaces in poor neighborhoods, where the risk of disease spread was major.
Ayllu solidarity is a combination of kinship and territorial ties, as well as symbolism.
Some results of the war were secession between the north and the south over whether or not the states would be free or slave states. The territory included New Mexico, Utah, Nevada, Arizona, California, Texas and Western Colorado. Again cultural effects dealt with slavery and how the south and north both viewed it because this was ultimately one of the factors that would lead to the civil war