Explain the difference between withholding and withdrawing treatment. Which method was used to end Terri Schiavo’s life?

Description
Case Study:
Read the Case in Point: Terri Schiavo and Case in Point: Angela Carder, found in Chapter 8 of your textbook. After reading the case, please respond to the questions below. Be sure to include facts from the textbook as well as other sources to support your conclusions. Provide in- text citations and a reference list.
Questions to answer:
1. There are four types of advance directives listed in your text. Please list and describe them. Identify the type of advance directive Terri Schiavo could have used to avoid the legal battles surrounding the end of her life.
2. Explain the difference between withholding and withdrawing treatment. Which method was used to end Terri Schiavo’s life?
3. In the case of Angela Carder, what type of tort might have been committed (assault, battery, fraud, defamation of character, false imprisonment, or invasion of privacy)? Why?
4. What ethical violations might have taken place in the case of Angela Carder? Be specific, using ethical principles and theories introduced in Unit 1.