Okay kiddo, listen closely because I'm going to explain the Spanish expedition to Balanguingui in a way that's easy to understand.
A long time ago, in the year 1848, the Spanish wanted to explore and conquer new lands. They heard about a small island called Balanguingui that was located in the Philippines. The Spanish thought it would be a good idea to go there and establish their control over the island.
So, they sent a group of soldiers on a boat to Balanguingui. When they got there, they found out that the locals already had their own leader and didn't want to be ruled by the Spanish. The Spanish soldiers tried to convince the locals to respect their authority, but the locals refused.
The Spanish soldiers then decided to attack the locals. They fought a battle and were able to defeat them. They captured the locals' leader and brought him back to their own country as a prisoner.
However, the Spanish also suffered losses during the battle. Many of their soldiers were injured or killed. They then realized that taking over Balanguingui was not as easy as they thought it would be.
That's pretty much what happened during the Spanish expedition to Balanguingui. It was all about the Spanish trying to take control of a small island but facing resistance from the locals.