Part II – https://youtu.be/1ujoK86b2QQ
American & British Spelling Differences: https://youtu.be/A-KyynN0qMY
Extensive list of 200+ Differences between British and American English with pictures for Kids and English learners: https://7esl.com/british-and-american-english/
American English is the form of English used in the United States.
British English is the form of English used in the United Kingdom.