Every religion has its divisions and we are no exception. I think you know that Christianity is mainly divided into the Catholics and the Protestants.
I am Protestant whereas my best friend from Brazil is Catholic.
Although we agree on the trinity and the deity of Jesus Christ there are differences in the way we practice our faith and things that we disagree on.
I am fond of sayings and one of my favorites is (agree to disagree) which means to accept the fact that you do not agree with someone.
The ability to accept those differences is why people like Monica, Nada and myself (among others) are such good friends. :)
I am looking forward to watching the video you sent me. I have long been curious to knowing what the differences are.
I am glad that you are using the English site that I gave you and have another that will also be useful.
www.englishclub.com
This site contain information on a wide range of subjects including grammar, phonetics, expressions and tips on such things as pronunciation, writing and reading.
The grammar section is very useful and covers all of the parts of speech as well as all of the verb tenses.
On the home page you will see two links
TEACH ENGLISH which is for teachers and LEARN ENGLISH which is for students.
Click LEARN ENGLISH and it will take you to an extensive collection of links on the different aspects of leaning English.