1.  A Chance to Dance aims to encourage children of all ethnic groups and social backgrounds.

2.  Analysis of terms of contract and of seniority by ethnic groups suggests that minorities are significantly less well placed within the profession.

3.  As well as age differences, ethnic groups also show differences in their occupational structure and family patterns.

4.  Blacks were more often victims of violent attacks than other ethnic groups.

5.  Blacks were more often victims of violent attacks than whites, Hispanics or other ethnic groups.

6.  Certain ethnic groups are at higher risk for developing diabetes.

7.  Different ethnic groups within the country have been engaged in a civil war for more than forty-five years.

8.  First, he made the tactical error of blaming the civil war on the ethnic groups in the north of the country.

9.  For many years, there has been deep enmity between the two ethnic groups.