Answer :
Ajay wants to read a brief overview about early settlers in the united states. The type of online text source should he most likely use is option A: E-book.
What is the term E-book about?
E-book is a un- editable, allowable document, which processed into a digitally which can be accessed on any smart digital device, like digital screens or portable devices. it is the most accurate source for early US events.
It is much better than conventional paper brochures, brochures in the related to the Internet, and other option is not correct because it is not defined in the given senior.
Therefore, correct option is A.
Learn more about E-book, refer to the link:
https://brainly.com/question/16557930