As was stated in the previous post, your introduction should include a thesis statement which explains the main ideas of your paper. In your conclusion, the thesis statement should be restated, and the essential supporting details should be included in the final paragraph.
There are several similar themes that could be explored in both Of Mice of Men and The Kite Runner that concern general issues that individuals are facing today. One of the more prevalent themes examined in both stories that is relevant in today's society concerns the idea of friendship. Throughout both stories, main characters share a strong bond and develop unique relationships. In Of Mice and Men, George and Lennie share a close friendship that is unusual in the world of migrant workers. Throughout The Kite Runner, Amir and Hassan also share a unique friendship because they come from different ethnic backgrounds. In today's society, individuals who are different races and ethnicities also develop close friendships despite society's typical conventions. Friendships can grow in unique circumstances and bring joy to those who care for one another.
Another idea that is examined throughout both stories which deals with a modern issue concerns the way that society oppresses individuals. Throughout Of Mice and Men, George and Lennie are forced to continually travel in order to find work. Their hopes of living the American Dream are futile due to the dire economic conditions of the Great Depression. In The Kite Runner, Amir is forbidden from expressing his true feelings towards his friend Hassan because Hassan is a Hazara. Amir and Baba are also forced to leave Afghanistan when the Russian Army invades. Amir also travels back to Afghanistan where the Taliban oppresses the citizens of Kabul. In today's society, war and economic distress take a toll on individuals and prevent them from living out their dreams and enjoying a healthy, happy life.
The most important part of an essay is the thesis statement, which should be a part of your introduction. So, before you write, spend a good amount of time thinking about what your essay will be about. Also keep in mind that a thesis is an argument.
Since you have to write a paper on an issue that we face today in Of Mice and Men and Kite Runner, how about the topic of alienation? Lennie and George feel disconnected from society, and Baba, Hassan, and Amir also face difficulties in relationships (as there is alienation between them). Also when Baba and Amir move to California, Baba's feeling of alienation grows, as he misses his homeland. The same can be said for Lennie and George as they are migrant workers. They have no place to call home.
This is just an example of what you can write.
In your conclusion, you should summarize not only your thesis but also your main body paragraphs. Moreover, a good conclusion shows that your thesis is the logical outcome based on your body paragraphs.