Which are generally considered good reasons for studying history

How did german physicist werner heisenberg's uncertainty principle shake beliefs in newtonian physics?

What happened during the victorian age? a. all social classes lived near each other b. the middle class became much larger c. city populations began to decrease d. families continued to go to work together

Which of the following would be of greatest concern to a speaker in presenting to children? choose only two. 1. age 2. expectation 3. ethnicity 4. knowledge 5. gender