The u. s. promotes labor rights and environmental protection in latin america through

It could through the Fair Trade movement.  This is to assist developing countries to uplift their conditions through improve trading conditions and to encourage sustainability. It seeks more equality in endorsing better trading terms by holding dialogues, clarity as well as respect. It can cover not just Latin America but other developing countries as well.

answer; i believe the two groups were irish immigrants and chinese immigrants;

payments were made after the 1940s.

in the 1980s, a commission held investigations and made recommendations.