Resolved questions
american intonation

American and British English pronunciation differences:

http://en.wikipedia.org/wiki/American_and_British_English_pronunciation_differences

American and British English differences:

http://en.wikipedia.org/wiki/American_and_British_English_differences

List of British words not widely used in the United States:

http://en.wikipedia.org/wiki/List_of_British_words_not_widely_used_in_the_United_States

List of American words not widely used in the United Kingdom:

http://en.wikipedia.org/wiki/List_of_American_words_not_widely_used_in_the_United_Kingdom

List of words having different meanings in British and American English:

http://en.wikipedia.or /wiki/List_of_words_having_different_meanings_in_British_and_American_English

Spelling differences between American and British English:

http://www2.gsu.edu/~wwwesl/egw/jones/differences.htm