Answer:
Well I think the answer to a is that the job of a republican government is to keep people free and equal and people can't be put out of their estate
3 ways the industrial revolution changed America/
1. Caused more jobs all over America
2. Population shift- moving from rural agricultural to work in factories in cities
3. The rise of steam power, example: railways and steam powered machines
4. Mass production of goods, increased efficiency, reduced average costs and enabled more to be produced.
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In Dred Scott v. Sandford (argued 1856 -- decided 1857), the Supreme Court ruled that Americans of African descent, whether free or slave, were not American citizens and could not sue in federal court. The Court also ruled that Congress lacked power to ban slavery in the U.S. territories.
B. The federal government did not have enough power to enforce its
laws, so the Constitution gave the federal government more power
than the states.