Answer:
Human systems and political systems has created the quality of living in Northern European countries the best in Europe. This may be seen in Southern Europe as a full, with northern half being a lot of urban and southern elements being a lot of rural. It made Northern Europe more advance in infrastructure and social issues.
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Answer:
D. New laws requiring younger children to go to school
Explanation:
Factories never had to pay children a fair wage because before the labor movements children were removed from the workforce entirely.
Both B and C have nothing to do with children so that can not be the answer
The only one that is left is D and that is the correct answer. New laws came into power during the first half of the 20th century and many highschools were built at that time.