Question

In the first half of the 20th century a cult of ‘----------------- magazines’ became popular. (amazing, pulp, powerful)​

Answer 1

Answer:

In the first half of the 20th century a cult of ‘pulp magazines’ became popular.

Answer 2

In the first half of the 20th century, a cult of pulp magazines’ became popular.

pulp:

Although pulp magazines first appeared in 1896, they gained popularity in the early twentieth century. Pulp magazines began to transition to digest size, which is a smaller, thicker magazine.

Explanation for incorrect answer:

amazing:

Because of its unexpectedness, the word "amazing" elicits strong emotions. So it cannot be the correct word for the given sentence.

powerful:

Having a lot of power or influence means you're powerful. So it cannot be the correct word for the given sentence.

Hence, the pulp is the correct word for the given sentence.