immagration?
The industrial revolution helped to increase the population of northeastern cities in the United States. Immigration also helped to increase populations in northeastern cities.
The industrial revolution helped to increase the population of northeastern cities in the United States. Immigration also helped to increase populations in northeastern cities.
increase in diversity
propaganda
The crusades helped with the increase of trade in some cities, and some cities started to become more powerful because people started to flee to these cities.
It helped them defend their cities.
The agricultural development enabled people to stay in one area and build homes, villages, and even cities. This stabilized populations and helped to reduce mortality rates.
Problems in the cities
Bison were once endangered due to overhunting and habitat loss, but concerted conservation efforts have helped increase their populations. Today, bison are classified as near threatened, with populations continuing to grow in protected areas.
Problems in the cities
it helped them defend their cities....
Mohommad