The answer would mostlikely be b
The simple subject would definitely be "Many" because these "Many" are the people do something, which leads us to the predicate. The simple predicate would be "were sent" or "sent" because that is what the "Many" were doing (technically they were forced).
Readers can learn that it's important to cite and explain what you're citing
Answer:
A pie chart
Explanation:
A pie chart compares the parts while also comparing them to the whole amount.