Answer:
The Black Death turned the economy upside-down. It disrupted trade and put manufacturing on hold as skilled artisans and merchants died by the thousands not to mention the customers who bought their wares.
I believe the answer is A
C. The Interstate Highway Act of 1956, it connected the country by federal roads and reduced car travel time from coast to coast from 40+ days to 4 days.
Well, there are a lot of differences when it comes to individuals and countries. Individuals deal with economics based on microeconomics, and countries deal with it on the base of macroeconomics (the big picture).
However, they both must deal with things like:
- Inflation
- External costs
- Acquiring/providing public goods
- Dealing with economic welfare
- Utilities
- Living standards
- Trading and interacting with neighbors (locally or internationally)
- Improving the environment