When was the first color camera made?

In their competition for power nations raced to

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.

Which of these were effects of mass production techniques used during 1920s