Question

Curtis is revising his argumentative essay. One sentence reads, "I believe that the Columbian Exchange was hard for the people of central Mexico.” Which phrase should Curtis remove to create a more formal tone?

“I believe that”
“hard for the people”
“of central Mexico”
“the Columbian Exchange”

Answer 1

He should remove "I believe that"

Explanation: Inserting opinions into essays diminishes the formal tone.