Reread your prompt. Then, use the drop-down menus to identify your topic and purpose.
The topic (what you will write about) is
The purpose of this essay is to

b. cronkite, a trusted television personality, declared that the war was unwinnable and told the american people that the government had better find a way out

even though it went against everything the news anchors typically stood for, cronkite voiced an opinion and took a stance, telling the us that there was no way they were going to win, the war was going to end in a stalemate. 

you can't answer this. more information is needed.

okay so where are the word that i need to use?