Answer:
D. Keeping the peace between legislators in the senate and house chambers
Step-by-step explanation:
Sergeant-at-arms role at legislative bodies historically started around 1415 in England Parliament during the reign of King Henry V.
The established role of sergeant-at-arms in recent times is defined to maintain order when the legislative meetings are going on and, if crucial ensures that those legislators or guests halting the smooth proceedings of the legislative be removed even by force.
Hence, the right answer is option D Keeping the peace between legislators in the senate and house chambers