Was the first interaction between europeans and indigenous peoples of the the americas, africa, and india an "encounter", "a contact", a "conquest", or something else?

Which native american tribe allied with the spanish?

Nwhich period were most of the original british north american colonies founded?

Which action by the us war department angered chief red cloud to the point that he refused to sign the treaty of fort laramie ? a) the killing of buffalo by the united states troops b) the appointment of troops to the powder river basin c) the burning of parts of the powder river basin d) the murder of chief red cloud’s wife