Assertion: president's proposal | /r/CapableOf | ban slavery
Facets:
value: in any territory
type: LOCATION
Source sentences:
text: In his second term, Johnson supported the Polk administration's decision to fight the Mexican War, seen by some Northerners as an attempt to gain territory to expand slavery westward, and opposed the Wilmot Proviso, a proposal to ban slavery in any territory gained from Mexico.