what is the theme of the film 'even the rain?' how are the Tainos and Quecha Indians exploited in the past and present. why/how have they resisted

what is the theme of the film 'even the rain?' how are the Tainos and Quecha Indians exploited in the past and present. why/how have they resisted change/modernity? and what is the impact of globalization on the native life and culture.