What was tom's major offense and the object of aunt polly's interrogation?

Here is the link you new to review for the

http://www.sparknotes.com/lit/tomsawyer/section4/

Good work!

The transcontinental railroad provided a means of fast transportation. it cut a 6 month trip into 6 days, created jobs for many people and encouraged immigration. the homestead act played a huge role in western expansion; it allowed settlers to begin a fresh start, and gave them land in exchange for their residence for up to five years and a small fee.