What did spain lose at the end of the "spanish american" war?

The Treaty of Paris ending the Spanish-American War was signed on December 10, 1898. In it, Spain renounced all claim to Cuba, ceded Guam and Puerto Rico to the United States and transferred sovereignty over the Philippines to the United States for $20 million.

Explanation:

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain

this act gave the federal government the power to relocate any native in the east to territory west of the mississippi river.