What are the reason for countries to be less developed

Can someone read this article and tell me the 1) key ideas and 2) one key quote (copy and paste the link the article is not to long at all)from

The specific department of health and human services (hhs) regulations that apply to research with children are known as: subpart b: additional protections for children involved as subjects in researchsubpart a: the common rulesubpart d: additional protections for children involved as subjects in researchsubpart c: protections for children in research

Which of the following combinations represents the extremes of project organization? a. strong matrix and balanced matrixb. functional and projectizedc. projectized and balanced matrixd. projectized and strong matrixe. strong matrix and functional