Is " doggedness " a adjective?

When people are asked to recall a list of words they had earlier memorized, they often substitute synonyms for some of the words on the original list. this best illustrates the impact of:

Which phrase from the declaration of independence best relates to anthony's theme of equal rights for all people? a. life, liberty and the pursuit of happiness b . to secure these, governments are instituted among men c. deriving their just powers from the consent of the governed d. endowed by their creator with certain inalienable rights

Ehat is the purpose of an arguement conclusion