Which country primarily employed the encomieda system

Spain

Spain began the encomienda system in the New World at the beginning of the 16th century. The encomienda system granted a Spanish leader a number of Native American laborers. The Spanish colonists abused the encomienda system.

Explanation:

Here ya go

what are local authorities doing to fix the problem

explanation:

so they can differentiate themselves from others as they saw themselves as the superior race. the star was basically a symbol that meant you are a less of a person than i am because of my race. the star was also degrading for those who had to wear it because they were aware of this and the nazis used the notion to make them feel less like a person.