The correct answer is B, Joseph Mcarthy.
Explanation: if your talking about the treaty of versailles, they were very very hard on germany. they wanted them to pay for all the damage (which was more then the country could ever afford). they also made it to were they were not allowed to have military power. This caused the german people to suffer greatly. In return they became angry.
Answer: c. younger workers pay taxes that cover pensions, retirement, and healthcare for elderly people.
Explanation:
The younger generation are the working age population. Because they have jobs, they can be taxed for the benefit of society. Their taxes go towards many social programs including pensions, retirement benefits and healthcare for the elderly.
If the population is aging, it means that there would be more elderly people. Elderly people no longer work and so cannot be taxed as much to provide the aforementioned benefits so an aging population presents a problem to their welfare.
The answer is a hope this helps