The government practice of borrowing money to spend more than is collected in taxes is called "deficit
spending."
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:
Eisenhower's domino theory was based off the idea that, "if one country falls to communism, they will all fall"
Corona vaccine is the important one