Meanings of congressional prohibition in English

Four days later, commenced the struggle which ended in repealing that Congressional prohibition.

The slave trade is looking up once more; threatens to grow brisk, in spite of Congressional prohibition.

Two of the twenty-three voted against Congressional prohibition of slavery in the Federal Territories, in the instances in which they acted upon the question.

"The Indianapolis Journal" and other leading Republican organs spoke of Congressional prohibition as "murdered by Dred Scott," and as having no longer any practical value.