Japanese values VS American values

In my class I learned about American culture values. I made an essay to compare to Japanese cultural values and American cultural values as a an assignment. I'd like to post it below.

How are your cultural values different from American cultural values?

It is said that three words describe Japanese cultural values; patience, constraint, and endurance. I think they are based on the Japanese tradition called "Shame Culture".
A shame culture is one in which the primary device for gaining control over children and maintaining control over adults is the inculcation of shame and the complementary threat of ostracism.
In a nutshell the key point of "Shame culture" is the fear of rejection. People tend to act in a group(society), and when someone doesn't act in concordance with society,they are ostracized; society pressures him or her, adding to his or her shame. Due to his or her fear of rejection, he or she to return to conformity. For example, people who don't care much about other's pressure are called K.Y(Kuki Yomenai i Japanese). This word usually used in negative way. To survive in this culture, we must get used to it . As a result, we're specialized sense of patience, constraint and endurance.
On the other hand, American culture is called "Guilt Culture" A guilt culture is defined as one that emphasizes punishment and forgiveness as ways of restoring the moral order.
A simple idea of guilty culture is that society builds a standard to judge whether your behavior is ethically good or not, people follow this system. In fact the border is strongly connected with religion(this goes back to the Pilgrims whose puritan values skill influence society.) That's why American cultural values represent initiative, progress and individualism.
Also high rats of immigration have been contributing to American cultural values as well.
The different ways of thinking from those two cultures affect our ideas and behavior.
In fact, some of my friends told me that the style of participation in class bothers them. They hesitate to say something in class, given that they grew up in Japanese culture as I mentioned. But just in my case, I don't feel anything frustrating to me. Intrinsically Japanese cultural values haven't suited for me. As proving, my tutor called me off that I was lacking of a feeling of concordance and I couldn't survive in Japanese society, when I was in Japan.

Peanuts Incident

I went to Central Park with my host-family 2 weeks ago. There were lots of squirrels in that park. They run around all over place. My mother suggested us to feed them peanuts. So we went to the nearest store and bought a pack of peanuts. My host mother found it and gave me it oddly enough. I had no idea why she gave it to me, because I thought she would buy it for us. She had me stand in a line for a checkout counter without any ideas, and I payed forit.... Holy cow!!!. I was fine about that. It was cheap but it made me disappointed. I tried to forget it. Never mind!!
And then, we walked back to the park. We started to feed peanuts to squirrels for a while. They usually came near to people who fed them. but at that time they seemed  like that they didn't want to come near us. Eventually I ended up feeding them and I started eating the peanuts I bought. Seeing me eating peanuts, she started laughing and said "Hereis a big squirrel from Japan!! Why are you eating food for squirrels!!!" That  made me pissed off. In mymind,"shut up. You can't talk about that. I'm one who bought them! Who cares!!" I kept on eating them, leaving her out.