Comma before and

Use a comma before 'and' when it merges two sentences into one. Do not use a comma before 'and' in a list of two. Only use a comma in a list of three or more if your region uses the serial comma.

Comma Before With: The Definitive Guide

Top Twenty - Unnecessary comma

The Oxford Comma And When To Use It

Can we put a comma before and in this case? We spoke about

So, When Do You Need a Comma Before So? - BusinessWritingBlog

COMMA

Comma Rules!. - ppt download

Major Comma Uses

Example Sentences To Use Comma And Not To Use: - English Language