what is chapter 3 about

Chapter three involves life on the ranch developing the characters in it. Lennie gets one of Slim's puppies. WE get some background about how George and Lennie came to travel with each other and the incident in Weed. Curley tries to assert himself by attacking Lennie but gets his right hand crushed.

can you explain it to me but with more info because i have a test over chaper 3 and i read it but i did not get it

Hey, check out the short summary for chapter three in the GradeSaver link below. I just gave you the abridged version.

Let me know if you should have any more questions.

http://www.gradesaver.com/of-mice-and-men/study-guide/section3/