The film is also known as Lawmen (American alternative spelling).
Note that there are both American and British spellings in this edition.
Hall is considered the originator of the American spelling of aluminum.
A television programme (American spelling: program) is something that people watch on television.
Some of his suggestions resulted in the differences between American and British spelling.
Either spelling is fine - unless you think only the American spelling is correct.
As was customary, upon arrival in the US, the family adopted a more American spelling for their name.
American spelling was allowed until 2002, and more unspecified inflections were assumed to be valid.
The spelling can be coped with by anyone with intelligence, especially as the American spellings are given, too.
The contrast is even more obvious in countries using the English rather than American spelling of the word metre.