<span>Factories and their corresponding jobs were located in cities and created economic opportunities for migrants.</span>
Answer:
An ethnic category or group is a group of people identify with each other. Typically based on language, history, ancestry, culture
Explanation:
What are the examples?
The answer is the state of Idaho
Researchers found a total of 138 volcanoes in the West Antarctic Ice Sheet overlying the West Antarctic Rift System, 91 of which had never before been identified. Basically they have never seen those types of volcanoes before.