Whch of the following best describes problems faced by union pacific workers

they came into conflict with native americans
the mountains were difficult to cross
it was hard to get the buffalo to move out of the way
the lakota were poor workers

The military dictatorship inviolently reacted to the opposition of the maya, who demanded greater rights for their native population. the genocide inresulted from a struggle between arab nomadic tribes and non-arab agricultural groups. the tutsi were the victims of genocide inat the hands of the hutu rulers.