Spain lost many of its colonies, but was able to retain florida, cuba, and

The answer to this question is Puerto Rico.

Spain lost many of its colonies and retained Florida, Cuba, and Puerto Rico that made the Spanish empire the largest empire in the world. Spain established these colonies to make most of the countries to be converted to the religion of Christianity and to conquest and to extract gold.

Spain loses dominion over all their possessions in the continental Americas and retained only the islands of Cuba and Puerto Rico.

D