Which cause-and-effect relationship is described in the section "The first communication revolution"?

The cause and effect relationship described in this section is the establishment of the communication revolution caused by the invention of printing press.

Explanation:

Cause and effect relationships are those that present a situation where one element causes the creation and another element, that is, these elements have such a strong connection between them, that one becomes the result of the existence of the other.

Right at the beginning of the section entitled "The first communication revolution" we have an example of this type of relationship when the author states that the cause of the communication revolution was the creation of the printing press.

- "the most famous structure by far at saqqara is djoser's step pyramid. dating from the 3rd dynasty (2667—2448 bc), it was the first all-stone complex ever built on earth."

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"i care deeply about campaign finance reforms: - apex