Ecotourism Often Has What Type of Effect on Indigenous Groups

Ecotourism often has what type of effect on indigenous groups?

A) a positive one because ecotourism limits development on indigenous lands
B) a positive one because indigenous people often benefit financially as the caretakers of areas where ecotourism thrives
C) a negative one because conservation laws and restrictions often force indigenous people off land
D) neither a positive nor a negative one because ecotourism rarely encroaches of indigenous lands