Which excerpt from "the roller coaster is the best example of external conflict? "oh come on," teresa said. "you have to ride with me; we’re best friends! " cecelia felt her stomach turn, but she knew she had to stand up for herself. with a mischievous smile and a soft jab to connor’s shoulder, teresa spoke instead, "nice try, but she’s riding with me." trying to keep up while her friends walked rapidly in the direction of the fun zone, cecelia criticized herself: why had she agreed? why couldn’t she just tell the truth? as she struggled to reassure herself that she had made the right decision, cecelia noticed connor approaching the bench with a bag of popcorn. .

With a mischievous smile and a soft jab to Connor’s shoulder, Teresa spoke instead, "Nice try, but she’s riding with me."

Explanation:

An external conflict refers to a struggle or problem that occurs between a character and an aoutside force. An oustside force means something that is out of his/her body. Most of times this conflict is between the main character and another character, the natural world, or the society.

It's opposite is the internal conflict in which the character struggles with himself, with his internal emotions and weaknesses.

In this case the conflict is between Connor and Teresa, they are both trying make someone ride with them.  

c. to depict the cunningness of the federal soldiers

nobody can deny that cars are the most used means of transport all over the world. however owing a car could have some disadvantages. first of all, having a car on your own allows you to go everywhere without depending on timetables. moreover, you can use it whenever you need it no matter the time or the climate conditions. furthermore, if you have a car, you would not have to wait for nobody to share it when going to somewhere. nevertheless, one major disadvantages of owing a car is the fact that fuel is very expensive nowadays so that not everyone can afford it. in addition, you have to pay insurance to be protected by legal conditions. apart from this, the person who owns a car always has to maintain the car and repair any mechanical problem which could costs a huge amount of money. what is more, if you have to travel long distances, and you do not like driving, one probably would be exhausted and irritated due to driving for a long time. besides, cars cause environmental pollution. to sum up, owing a car means that you have more freedom to travel whenever and wherever people want to, however the car maintenance could be a very expensive issue that can have bad consequences at your economy.