Respuesta :

USA had a better navy.   (The White Fleet?)   
USA was backed by guerrlia warfare in the Philippines.  

USA had terrible guns going against the Spanish in the San Juan hill. 
The USA Springfield Gun 1892 - 99 side clip was highly inefficient compared to the Spanish Mauser.    
The Spanish had more firepower the Maxim beat the Gattling Gun.  

Answer:

As a result of the Spanish-American War, Spain lost Cuba, Guam, Puerto Rico and the Philippines.

Explanation:

The Spanish-American War confronted Spain and the United States in 1898. At the end of the conflict Spain was defeated and its main results were the loss of the island of Cuba (which was proclaimed an independent republic, but remained under American protection), as well as Puerto Rico, the Philippines and Guam, which became colonial dependencies of the United States.