How could one counter the argument that colonialism destroyed traditional structures

Colonialism destroyed traditional structures.

Explanation:

Colonialism happens when a country takes control of other lands outside of its boundaries. Taking control of other lands and turn them into a colony. The colonial powers exploited the colonies for their resources and to obtain power. Traditional structures destroyed by colonialism because it introduces westernization. European languages introduced which affect traditional languages and cultures which people are practising for hundreds of years.  

they died because of a disease during the first spanish colonies.