Hi, Anthony!
 
I'd like to direct you to two different pages on my website:
 
1.    Pre-Trib Rapture Taught In Early Church, found here:
 
http://www.his-forever.com/rapture_taught_in_early_church.htm
 
2.    Pre-Trib Rapture, found here:
 
http://www.his-forever.com/rapture_taught_in_early_church.htm
 
As for the reason why there's so much division (I believe), The Rapture is our Great Hope, and Satan wants to steal away our joy of this knowledge and cause division amongst God's people.
 
I hope the articles on these two pages are of help to you.  If I can be of help to you, feel free to email me at peggym@his-forever.com or peggym1952@hotmail.com.  I can only access the His-Forever account from home, but can access the Hotmail account from both home OR work.
YSIC!
Peggy
www.his-forever.com