The main ethnic group outside of Germans are Turks. Poles and Czechs also make up a small minority.
No, they are not racial groups but religious groups.
Back in 1940, there were five concentration camps in Germany. These camps were established to eradicate resistance groups, political prisoners, racial groups of the Jews and Roma.
co-existant of a variety of distant racial groups co-existant of a variety of distant racial groups
People from a different racial groups are unemployed in certain sectors of the economy and not in others as a result of discrimination. Racial discrimination makes some racial groups to feel superior over others.
The Shona and the Ndebele are the main racial groups in Zimbabwe.
The patterns of interaction between majority and minority racial and ethnic groups varies between groups. Many majority groups will look down on minority groups as if they do not have equal rights.
some racial groups are superior to others
The Nazis were interested in exterminating groups that they felt were inferior. Jews, disabled people, Slavic people, and gypsies were the groups that were exterminated on racial grounds.
Whites
segregation
Approximately 24% of American psychologists belong to racial minority groups.
The answer is simply discrimination. There is no valid reason that people from different racial groups are unemployable in certain sectors of the economy and not in others except for racial discrimination and prejudice.