Read this passage from Dragonwings by Laurence Yep.

"Whoa, Red Rabbit." Father pulled at the reins and Red Rabbit stopped. Father set the brake, and as an extra precaution he put the wooden block behind the wheel.

"Can I help?" he asked.

The demon was a big, cheerful-looking demon with a bland, round face. He eyed father. "I dunno, John." Many demons called Tang men John because, they insisted, they never could get the hang of our real names. "You know anything about horselesses?"

Which detail shows that white people and Chinese people struggled with interacting with each other in the early 1900s?

The father stops to help the stranded man.
The man is cheerful-looking.
The man calls the father John.
There is a horseless carriage

(1) fire extended humans’ geographical boundaries by allowing them to travel into regions that were previously too cold to explore. (2) it also kept predators away, allowing early humans to sleep securely. (3) fire, in fact, has been a significant factor in human development and progress in many ways. (4) other obvious benefits of fire are its uses in cooking and in hunting. (5) probably even more important, however, is that learning to control fire allowed people to change the very rhythm of their lives. (6) before fire, the human daily cycle coincided with the rising and setting of the sun. (7) with fire, though, humans gained time to think and talk about the day’s events and to prepare strategies for coping with tomorrow. the sentence that expresses the main idea is: (type the number of the sentence. then click “go.”)