What is a critical approach

Critical Approaches. -used to analyze, question, interpret, synthesize and evaluate literary works, with a specific mindset or “lenses” New Criticism. -contend that literature needs little or no connection with the author's intentions, life, or social/historical situation.

Explanation:

the fourth amendment protects:

"the right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures, shall not be violated, and no warrants shall issue, but upon probable cause, supported by oath or affirmation, and particularly describing the place to be searched, and the persons or things to be seized."  

so this would mean the denial to search and seizure without warrant or permission.

i would say b. research typically uses a variety of sources