To contain communism, thinking was Vietnam went comunist it would spread more globally.
The French Revolution was started by the country's "third estate", which was composed of the Burgoise and the Working Class. This sector of society was enraged due to the monarchies mismanagement and excessive grant of benefits towards the Clergy (The First Estate) and the Nobility (The Second Estate).
Creole leaders such as Simon Bolivar and Jose de San Martin were inspired by these uprisings, as they believed the Spanish Crown used the colonies as mere sourcing points for their riches and were not reciprocal in developing them. To the contrary, the Spaniards executed high taxes which made it unbearable for the Colonialists (Creoles).
The Spanish-American War affected U.S. power in Asia by making the U.S. an important power in Asia. With the acquisition of Guam and the Philippines the U.S. increased it's influence in Asia.
- Hopefully this helps a bit more i got it from another question similar to this one.
