Describe interventions and techniques utilized by professionals working in the field

•Introduce the theories and main concepts associated with your topic•Describe interventions and techniques utilized by professionals working in the field•Explore any legal or ethical issues associated with your topic •Include citations at the end of your paper (at least three journal articles)* have the 3 articles that i have to use..It has to be in APA styleand these are the questions for the essay1)Conduct a power analysis of the system of immigration and describe how it can be oppressive to vulnerable groups of people, and act differently for privileged groups2)What other systems work in connection with the immigration system? How do these systems ameliorate or exacerbate the oppressive nature of the immigration system? 3)Many children have been/continue to be removed from their caregivers. Describe the historical context of this practice in the United States. How could Human service practitioners in foster care agencies or detention centers where young people are placed practice ethical and liberated service?