The best interpretation of Holmes's meaning is the last option:
The right to free speech does not apply when it infringes upon the rights and safety of others.
You do have your right to free speech as long as you're not harming the people around you. Once your speech becomes harmful, you are no longer entitled to it.
The similarities between Great Britain and Japan are they are both Island country. They are both involved in wars against the United States but as of now, they are friends with the United States. They are also have something in common in their constitution they are both constitutional monarchy.