What did the 17th parallel, which separated North
and South Vietnam, become symbolic of?
a the horrors of the war in Vietnam
b the Communist victory in Vietnam
C the West's determination to halt
the spread of Communism
d the number of Americans who were
killed fighting in Vietnam

The fight against expanding communism, in an era of a once powerful USSR - before the Berlin Wall was opened to join Germany again, the continuous fight by the Communist Chinese leads me to choose C.

Explanation:

an argumentative essay presents objectively a topic and its main characteristics. besides, it states all this information and facts by giving authentic and substantiated proof to the audience. by contrast, a persuasive text purpose is to convince the audience about some facts by presenting them according to his/her emotions and feelings. the main purpose of a persuasive text is to convince the audience to agree with the author´s opinion. on the other hand, in the argumentative essay, the author leads the writer to recognize his/her point of view as the correct one.