The principal part in which the given verb is formed is option C. past. The action word "chewed" comes from its base word "chew". And to make it into a past form, the suffix -ed is added. The action word "chew" is an example of a regular verb. Regular verbs are verbs that only needs the suffix -ed in order to create a past form of the verb.
Trojan War, in Greek mythology, war between the Greeks and the people of Troy. The strife began after the Trojan prince Paris abducted Helen, wife of Menelaus of Sparta. When Menelaus demanded her return, the Trojans refused. Menelaus then persuaded his brother Agamemnon to lead an army against Troy so your answer is B. Greeks and Trojans