For number 25, please pick 1,2,3 or 4 as the answer. Thank you!

How were returning african-american soldiers treated in american cities in 1919–1920?

When did paul zoll develop cardiac pacemaker

What governments allow the use of the initiative, the referendum, and the recall? a. all state governments and the federal government b. some state governments and the federal government c. some state governments d. all state governments