Someone please help me. this assignment is based of the time machine

By comparing part 1 and 2 of polar opposites what does it mean by polar opposites

Which major world event was near the birth of the modernist movement

When an author introduces a new character in a short story, he or she must quickly establish the character's key traits. in this portion of the narrative, the author misses an opportunity to develop mr. valentine. rewrite this section of the story to better establish mr. valentine as a complex character.