In 1969 protesters for American Indian independence occupied the island "Alcatraz" of the coast of San Fransisco. They did this mainly to bring attention to the unfair treatment of Natives by the US government.
Yes they have been successful
Many slaves were brought to Brazil due to the sugar economy,
which is the primary source of income in Brazil. They also used slaves when the
Portuguese colonizers had discovered gold and diamond deposits in Brazil. Because
of this, Portugal had sent slaves to work on the fields and mines under the Portuguese
colony.
<span>satellite nations
Hope this helps
</span>