what was the name for Stephen Douglas's argument that a territory could still prohibit slavery by refusing to adopt laws establishing and protecting it?

Stephen Douglas's argument was known as popular sovereignty. According to this concept, the residents of a territory could decide for themselves whether to allow or prohibit slavery through a popular vote.

The name for Stephen Douglas's argument was popular sovereignty.

The name for Stephen Douglas's argument that a territory could still prohibit slavery by refusing to adopt laws establishing and protecting it was called "popular sovereignty." Popular sovereignty was a principle that allowed the residents of a territory to decide whether to allow or prohibit slavery through the process of voting and creating laws.

To reach this answer, you can follow these steps to find the information:

1. Start by understanding the context. Stephen Douglas was a prominent figure in the mid-19th-century United States, particularly during the era of the Kansas-Nebraska Act of 1854. This act opened up new territories for settlement and ignited debates about the expansion of slavery.

2. Search for the key terms. Enter the query "Stephen Douglas argument for territories prohibiting slavery" or similar phrases into a search engine.

3. Evaluate the search results. Look for reliable and reputable sources such as educational websites, historical documents, or scholarly articles.

4. Locate relevant information. Scan the search results and click on sources that provide information about Douglas's position on the issue of slavery in the territories.

5. Read and understand the arguments. Look for specific discussions on Douglas's stance and his advocacy for popular sovereignty as a means for territories to determine their stance on slavery. These sources may include quotes, historical analysis, or debates surrounding this concept.

By following these steps, you can gather the necessary information to answer the question accurately.