Click to read a passage from "an indian father's plea" by medicine grizzlybear lake. then answer the question.

why would a letter from the author support his argument better than an essay?

a. it can allow the audience to read it many times.
b. it can be less threatening to a reader and more personal.
c. it can let the author give lots of factual data to support his argument.
d. it can give the author a chance to make mistakes.

Read the passage. the dust bowl during the 1930s, extreme drought and high winds made life incredibly difficult in the great plains region of the united states. in many areas, rainfall was forty percent less than normal. the soil became extremely dry, and when strong winds blew, they created tremendous dust storms. these so-called “black blizzards” were so thick that they made daylight seem like dusk. during this terrible period, the great plains region of the united states was named the “dust bowl.” over the next few years, the drought continued, and the winds created more dust storms. in some places, the drought and high winds lasted for eight years. many people wondered if the black blizzards would ever end. which statement about this paragraph’s main idea is true? this paragraph’s main idea is stated in the topic sentence. there are not enough details to support the main idea. this paragraph’s main idea is implied. this paragraph does not express a main idea.