Statistics for occurrence #1 of “Mr. Mason” in chapter 70 of Rebellion Record: a Diary of American Events: Documents and Narratives, Volume 2.:

... entitled, received it. It demanded afterwards a better and more stringent fugitive slave law, and it was not only granted, but the drafting of it was left to a Virginia Senator of the United States, Mr. Mason . In 1820 we made with the Federal Government a certain compact, the celebrated Missouri Compromise, with which we were then so well pleased that every Southern Senator but one voted for it, and a l...
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