A tercet is a three line stanza.
It's not a genre, nor a rhyming scheme, nor is it a figure of speech. Tercets usually have more than 4 syllables per line.
The answer is:
raise an objection to his own opinion and counter that argument.
In the excerpt from President Reagan’s Address at Moscow State University, he makes reference to people who manage and operate business taking enormous risk in a free market system. He wonders about their failures and states they are often unsuccessful. However, they have acquired knowledge about prosperity after striving with failure.
Answer:main idea and most important details
Explanation: