Answer: I'd have to say C: They protected the King from Nobles, .
(sorry if I am wrong)
Explanation: The role of the knight in the feudal system was mainly to serve as an important weapon for his lord.
Progressive Era: 1890–1920s: Progressive Political Reform. The 18th established prohibition, and the 19th allowed women the right to vote. Such economic and political reforms under the aegis of an expanded government were necessary, the progressives argued, to restore the values of the American dream for all Americans.
Hope this help!!!!
George washington was the first president