Answer:
present
Explanation:
Walk, in this case, is a verb, and here are its tenses:
Present: walk
Past: walked
Future: will walk
In works of literature, the author sometimes seeks to create a mental picture in the reader's mind. The name of this technique is imagery.
In the majority opinion, Fortas suggest that the reason for the school authorities' actions is that they were uncomfortable with such a controversial topic. According to Justice Fortas school authorities wanted to avoid controversy on the topic of Vietnam war.