British English.
It is prevalent since the time of the British.
American English is more widely used globally compared to British English. This is primarily due to the influence of American culture, media, and businesses around the world. However, British English remains the dominant form of English in countries that were formerly part of the British Empire.
Learnt is American. The English say 'learned'
British English
American English may seem more popular as it is used a lot in the Media and TV Shows but generally around the world, more countries do actually speak a variation of British English. This is because America has never had its own colonies in which it could spread American English which is different to the British who introduced British English to all of their colonies around the world during the British Empire.
For places, In is used in British English At would be used in Amercian English
Both "skeptic" and "sceptic" are correct spellings in English. "Skeptic" is more commonly used in American English, while "sceptic" is more common in British English.
Both "spelt" and "spelled" are correct spellings, but "spelled" is more commonly used in American English, while "spelt" is more common in British English.
Both "dreamed" and "dreamt" are acceptable past tense forms of the verb "dream." "Dreamed" is more commonly used in American English, while "dreamt" is more common in British English. You can use either form, depending on your preference or the style guide you are following.
Both are correct and used interchangeably.
Not commonly. It's more of a British term.
Possibly more used in the South of England.
It is independently from It is independently from