Many Democrats believed taxes were too high and made it difficult for farmers to export goods?
        
             
        
        
        
The correct answer would be option C, Matrix.
In a university setting, it is common for a professor to report to an academic supervisor in his/her area of educational expertise and to a supervisor overseeing a particular degree such as baccalaureate or masters. This illustrates the Matrix Structure. 
Explanation:
A matrix is a structure in which something develops. This something could be culture, social, political, educational, official environment. 
So a system in which a professor reports to a supervisor regarding his or her expertise area, and that supervisor further reports to the person who is seeing the particular degree overall, then this system is fostering positive aspects in educational system. This creates a matrix structure within the colleges and universities. 
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Answer:
The on-line research strategies that raises the most concerns regarding ethical principle of respecting the autonomy of research subjects and the corresponding federal regulations requiring informed consent are: C) and D).
Explanation:
C) A researcher observing an open support group whithout announcing her presence is an alteration of both respecting the autonomy of the research subjets and also doesn´t consider the regulations requiring informed consent.
The subjects should know they are being subjtect of a research, to see if they agree or not. The researcher by not annouincing her is not respecting their autonomy to decide.
D) If a researcher poses to be a survivor from cancer when not, to be able to get closer to people that are; she is violating both the respecto for autonomy on the research subjects and also she is braking the informed consent. 
 
        
             
        
        
        
Answer: c) Risk Breakdown Structure (RBS)
Explanation:
Risk breakdown structure is the plan in which hierarchically divided as per identification of the risk.Risk is unplanned and sudden crisis that causes negative impact .It requires management and handling through subsequently diving them into section so that approaching and understanding can be easy during risk.It contains section like finance, external management, operational management etc. 
Other options are incorrect because decision tree,risk management plan and risk register are not the concept in which categorizes of risk is dived for management.Thus, the correct option is option(c).