Atheory is defined as:
select one:
a. a set of concepts and statements that present a view of a phenomenon.
b. terms that abstractly describe and name an object, idea, experience, or phenomenon.
c. viewpoints on what reality is, how knowledge is developed, and which ethical values and/or principles should guide our practice.
d. the appearance, objects, and aspects of reality as one experiences them.

a. a set of concepts and statements that present a view of a phenomenon.

Explanation:

A theory is defined as a set of concepts and statements that present a view of a phenomenon. Option b. refers to concepts, that are terms that abstractly describe and name an object, idea, experience, or phenomenon. These concepts  provide a separate entity to each object of the theory. Different viewpoints on what reality is don't make a theory.

answer; /// i do believe but not sure(nazi propaganda)//(anti-semitism); ( holocaust) plz check first; ///good luck