All terms in this list:

thesis: A statement supported by arguments.

elaboration: The act or process of producing or refining with labor; improvement by successive operations; refinement.

evidence: Facts or observations presented in support of an assertion.

statement: A declaration or remark.

argument: A fact or statement used to support a proposition; a reason

opinion: A thought that a person has formed about a topic or issue.

reasonable: just; fair; agreeable to reason

persuasive: able to persuade; convincing

plagiarism: The act of plagiarizingthe copying of another person's ideas, text, or other creative work, and presenting it as one's own, especially without permission.

controversal: Subject to controversy; controversial.

historical: Pertaining to the history, to what happened in the past.

immigrant: A person who comes to a country to permanently settle from another country.

economic: pertaining to an economy

ethical: Of or relating to the accepted principles of right and wrong, especially those of some organization or profession.