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What are the events,practices and culture influenced by colonizers?
The Philippines was under the Spanish, American, and Japanese regime.
Here are some of their major influences to the country:

Spanish period=development was focused more on religion. 
American Influences = education, literature, art, architecture, science, industry, home, food, clothes, religion, pastimes, music and dances. 
Japanese Period = Filipinos lost their freedom of speech and expression. 

For further information about each of the colonizers' influences, see attached file.