The concept of colonialism refers to the process by which

A authority exerts a control over a territory occupied by itself, generally using military power or a representative of government in a country or territory to which did not belong to it.

Detailed explanation:

Colonialism is a form of imposing authority from one culture over another. It can happen in a forced way, with the use of military power or by other means such as language and art. Portuguese domination in Brazil is a good example of colonialism, as well as the colonization of Africa, by the destruction of the culture of the Andean peoples and the influence of European culture in underdeveloped countries.

d) the constitution rights of native americans and their right to self-government on reservations

australian plates collided into eurasian plates, and the himalayas formed. the andes mountain range the himalayas and the islands of japan form differently. the andes mountain range formed at the convergent boundary of an oceanic plate and continental plate.