Answer:
Civil,world war and World War II
Explanation:
B. child laborers and D. miners
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The most important areas of Greek achievement were math and science. They achieved all kinds of things in the areas of psychology, astronomy, geometry, biology, physics, and medicine.
Separation of powers is a doctrine of constitutional law under which the three branches of government (executive, legislative, and judicial) are kept separate. This is also known as the system of checks and balances, because each branch is given certain powers so as to check and balance the other branches.
I’m not sure when you say U.S. but the Republicans supported the idea of state rights. (If you could clarify you question I could help more).