This question seems to be incomplete. However, there is enough information to find the right answer.
Answer:
The main "collision" in this story is driven by racial discrimination, portrayed by the unexpected bigotry that slowly surfaces in Delaney´s actions. He who has begun denouncing his neighbors' racist ideas ends up revealing his perception of Mexican immigrants as disruptive to his way of life.
There are also several examples of figurative collisions that represent gender biases and violence against women, such as America being assaulted by José Navidad, which is not only a perceived fear but an acute possibility for women regardless of their social status. At the same time, America suffers abuse from Cándido, because all his frustration and anger can not be thrown back at those who do him wrong, so violence against his wife is an easy way to release that anger.
Explanation:
The question refers to "The Tortilla Curtain," by T. Coraghessan Boyle which begins with Delaney and Kyra, a white man from a wealthy neighborhood, hitting Cándido, an undocumented Mexican immigrant, with his car.
Answer:
1. I once feared that I would fail an examination.
2. It made me feel panicky and always on the edge.
3. I feel relieved now to look back on the fear experienced.
Explanation:
In my second year of college, I wrote an examination while ill. The sickness made reading quite a challenge but I still put in the needed effort despite my condition. After writing an exam on one of the subjects that I did not really like, I actually felt that I would fail the subject.
This made me always feel panicky and I dreaded seeing my results. However, on a sunny afternoon, while returning from school, I learned that the results were out. When I logged on to my student page to check the results with my heart in my mouth, it was really a surprise to see that I passed the course with a Credit.
I feel relieved and looking back on the fear I had then, I think that I wasted my energy and emotions worrying about something I could no longer do much about.