Where is Huck reunited with Jim? In what significant ways are Jim and Huck alike? In what significant ways are they different?

Huck and Jim are reunited at Jackson's Island. Both Jim and Huck escape from the place they are supposed to be. Huck escapes from the constricted world his aunt forces on him and Jim escapes from slavery. They both have adventurous spirits and are open to being friends despite their racial difference.