Sort each character of culture into the correct category?

While doing your research, all of the following would be good secondary sources to use to develop a general overview about the vietnam war, except: a. the encyclopedia britannica b. an interview with a veteran of the war c. a textbook on the history of the 20th century d. an online resource such as ‘wikipedia.org’ or ‘’

Could someone me with this question?

In which case did the court rule that flag burning was not illegal under the first amendment? a-us v. fields b-new york times v. sullivan c-texas v. johnson d-us v. alvarez