Law enforcement often treated unfairly. a) natives b) soldiers c) mexican-americans d) deserters

The correct option is A.

Just like African American, the native American too experience discrimination and they are usually treated as second class citizens in USA. The level of discrimination experienced by native american is more than that of African American and this discrimination often go unreported by the US media. CDC (Center for Disease Control and Prevention) reported that native Americans are the most killed ethnic group in police encounters. According to CDC report for year 1999 to 2015, the police killing rate of native american is 12% higher than that of Black American. This brutality has led the native to create a group called Natives Lives Matter in order to create awareness about these killings.

it's all four options.