Final answer:
The spacing after a complimentary close is four spaces in English letter writing. This tradition has been followed for many years and is considered a standard format in formal writing.
Step-by-step explanation:
The spacing after a complimentary close is four spaces in English letter writing. This tradition has been followed for many years and is considered a standard format in formal writing. The four spaces help to visually separate the complimentary close from the body of the letter, providing a balanced and professional appearance.