Saint Augustine (Aurelius Augustinus Hipponensis) is known as a theologian and philosopher, but which concept of his is also considered important in the development of Western political thought

the idea of two realms; that is  an earthly world of men and a heavenly world of God

Explanation:

Augustine of Hippo  was born A.D. 354 - and died A.D 430. he was an  Algerian-Roman philosopher and a known  theologian of the late Roman / early Medieval period. He holds the view  that God created time  and he believed that humans are morally responsible for their actions, with his belief that one's life is predestined.

Augustine on his view regarding  Neoplatonism through his encounter with it  as that which aid in turning him away from materialism and introducing him to the idea that the world can be divided into two realms.

jacksonian era promoted strength of the presidency and executive branch at the expense of congress. it also sought to broaden the public's participation in government. the jacksonian's demanded to have elected judges, instead of appointed judges, and rewrote many state constitutions to reflect the new values. hope this ! if you did find it would you mind giving me brainliest? : )