Where is the prison that Jesus went and preached and who are the spirits Jesus preached to?

What happens to people that are not Christian when they die?

I understand that God created man and woman on the 6th day to populate the earth and these were all the different nationalities, then the flood destroyed all the people except Noah and his sons and their wives... Where did we get different nationalities again?

Could you tell me where in Revelation 20 where it says that Jesus will reign on earth for a thousand years?

Are Jesus and the Father the same?

Where can I find or get information on the 10 lost tribes or on Caucasians?

Will we recognize our relatives in heaven, and is there scripture in the Bible that will tell me this?