There are MANY different disadvantages that exist in the world for children; a few of these are: hunger, physical & mental health issues, abuse (both physical & mental), homelessness. Though children might have a guardian to protect them, it doesn’t mean that they will not have disadvantages over the course of their childhoods.
They are called the "control group"
Answer:
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Explanation:
The Industrial Revolution disrupted the need for large groups of people to live together close to their agricultural crops. People began traveling away from rural homes to work in the city and would spend their days in factories or offices.