What are some advantages and disadvantages of a country/colony being under foreign control?​

Colonialism is the total control or governing influence of nation over a dependent country or people or condition of being colonial. The colonized countries were mostly Africans because of the way they lived and behave so the colonizers were using the excuse of them not civilized and religious. But the colonial master’s aim was to exploit the colony economy and move them to their country making the colony depend on them. The disadvantages of colonialism is far more than its advantages, the main advantage is the civilization while the disadvantage is the economic dependent. But let talk of the advantages before its disadvantages.