Question

periods if we want to communicate with sincerity.
punctuation has evolved over the course of history in order to reach its new place (or lack of a place) in text messaging. in fact, early writing in latin and greek lacked any kind of punctuation at all. sometimes there werent even spaces between the words; it was up to the reader to recognize words and sentences. later, punctuation was added to aid novice readers in reading aloud, but there werent many rules at first. a system for using punctuation finally took shape as the invention of the printing press and other advances in publishing led english to become standardized. but today, with the digital age and new avenues for written communication, our use of standard punctuation is changing.
in the fourth paragraph, what important background information does the author introduce?
the author discusses the function of punctuation in modern languages.
the author describes the way modern technology has changed punctuation.
the author relates the history of punctuation in writing.

Explanation:

The fourth paragraph traces punctuation's development: from no punctuation/spaces in early Latin/Greek, to early punctuation aiding readers, to standardization via printing press, and current changes in the digital age. This is a historical overview of punctuation's evolution in writing.

Answer:

The author relates the history of punctuation in writing.