Who were the “Silent Sentinels”?

Which of the following best describes the muckrakers?

Which of the following best describes Coxey’s Army?

Which of the following best describes the Reservationists?

Which of the following best describes the Open Door notes?

Which of the following best describes the Silent Sentinels?

Why was the German use of the unterseeboot considered to defy international law?

Which of the following best describes the Farmers’ Alliance?

Which of the following best describes referendum?

Which of the following best describes an initiative?