physical process whereby the colonizer takes over another place, putting its own government in charge and either moving its own people into the place or bringing in indentured outsiders to gain control of the people and the land.
There are now many small soay sheep in Scotland because the winters are not as brutally cold as they use to be. The climate in Scotland has been warming therefore the sheeps of small stature can easily survive now in Scotland, which was not possible in earlier years.