A. A law that requires all citizens to pay taxes on their incomes
Answer:
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It’s the last one I hope this helps
Answer:
1. Railroads and Telgraph
2. Middle class instituted business and mass production in new built factories
3. Concentration on economic power by people such Andrew Carnegie and Rockefeller
4. People move from farms into cities
5. Immigrants provided a huge labor force
Explanation:
