The correct answer is D.) People for the Ethical Treatment of animals.
People for the Ethical Treatment of Animals (PETA) is a non-profit organization. It is categorized as a noneconomic group, which is one of the types of interest groups. The other three options are political entities, which are not considered interest groups.
B. it opened the Oklahoma district and unassigned lands.
The Annexation of Texas, the Mexican-American War, and the Treaty of Guadalupe-Hidalgo, 1845–1848. ... Accordingly, while the United States extended diplomatic recognition to Texas, it took no further action concerning annexation until 1844, when President John Tyler restarted negotiations with the Republic of Texas.