Question 1: 2. What is the main idea of this passage?

• Potatoes from Ireland started the Potato Revolution.
• The average American eats 50 pounds of potatoes a year.
• French fries are made from potatoes.
• Potatoes are a key vegetable in America. (Correct answer)
• The various terms for potatoes have a long history.

Correct answer: Potatoes are a key vegetable in America.

A main idea summarizes the central point or overarching message of a passage. If the passage discusses various aspects of potatoes in America, such as their widespread consumption, historical significance, or diverse culinary uses, then the overarching message would be about their importance and prevalence as a key vegetable in the country. The other options represent supporting details rather than the broad main idea.