I know the answer is NOT C "During one great period of immigration--between 1891 and 1920--our nation received some 18 million men, women and children from other nations. The hard work of these immigrants helped make our economy the largest in the world."
<span>Unfortunately, we are not given with the passage so that we will be able to identify the topic and answer this item. However, it should be noted that the topic of the passage is usually the first sentence of the passage so readers can already grasp the idea. The answer is therefore letter A. </span>
Theme is a main idea or an underlying meaning of a literary work, which may be stated directly or
indirectly.
<h3>What is a Theme?</h3>
Theme is the central or main idea in literature or literary work which can be pointed directly or indirectly. novels, stories, poems, and other literary works consist of one or more theme.
A theme can be revenge, love, hatred and so on.
Therefore, Theme is a main idea or an underlying meaning of a literary work, which may be stated directly or indirectly.
Learn more on Theme from the link below.
brainly.com/question/25336781.