Answer: 
The answer is "Freedom". 
Explanation: 
In the period of 1899 to 1902, Americans and the Philippines shared the common objective of overthrowing Spain, but later Filipinos wanted independence, while the US desired the Philippines as a colony. 
- This war was a struggle between capitalism and nationalism, which also shows worried the Philippines could kill its troops. 
 - The Philippine revolt's main purpose was to free the Philippines from the USA, that's why the answer freedom is correct.