The growth of huge circulation newspapers ushered in an era of:

The correct answer is: "big news".

Explanation:

The "big news" era started around the 1920s in the U.S. because of the belief editors had about readers being hungry for the news spread through newspapers. With the introduction of the radio as a means of mass communication, experienced journalists decided what type of information was to be announced creating national news broadcasts.  

By 1980, newspaper circulation declined because of the increasing use of television.

muslims control the north africa during the period of 1500 up

to 1800. they made a barrier to prevent further european exploration from

entering the africa from the north. however, the dutch ware still able to move

toward the interior with having south africa as one of the routes leading to

the east for trading with asia.

answer; societal marketing;