Question

the compromise of 1850 was an attempt to resolve issues related to...
boundary disputes between the united states and britain over the oregon country
the protection and spread of slavery
relations with the native american indians of the great plains
the role of the federal government in industrial development

Explanation:

The Compromise of 1850 was a series of legislative acts aimed at defusing tensions between free and slave states in the U.S. Key provisions included California entering as a free state, a new fugitive slave law, and popular sovereignty for some territories regarding slavery, all centered on addressing the expansion and status of slavery. The other options are unrelated: the Oregon boundary dispute was resolved in 1846, the compromise did not focus on Great Plains Native American relations, and it had no connection to federal industrial policy.

Answer:

○ the protection and spread of slavery