Which of the following did NOT contribute to the perception of many White Southerners that antislavery sentiment wallyspreading in the 1850s?

Congress voted to end the interstate slave trade

Explanation:

In the 1850s when the idea of antislavery sentiment is moving at a gradual pace, there were various issues and occurrence in the country which was making the White Southerners believed that antislavery sentiment is spreading, among which are :

1. Uncle Tom’ss Cabin getting huge enthusiastic audiences of Northern readers and theatergoers.

2. Groups like the New England Emigrant Aid Company ensure that Kansas becomes a free state.

3. The Republican Party garnered a huge quantity of supporters and many more.

However, in the 1850s Congress did not vote to end the interstate slave trade, but rather ratified the Fugitive Slave Act, which stipulates that escaped slaves must go back to their owners

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