Answer: 1 is speed, 2 is mass I believe, 3 is mass and speed
Explanation: I’m just going off what I know, I’m not sure but I think I’m right
Since 1862, no Senator has been expelled, though there were multiple efforts over the course of time but never were they successful. In 1797 a Senator was expelled for the charges of treason and then in 1861-62 fourteen more met the same fate for joining and helping <span>Confederacy in the Civil War.
So its been about 155 years :)</span>