With the rule of , a period of stability known as Pax Romana began. A. Augustus
B. Hadrian
C. Caligula
D. Nerva

The Roman ruler that ushered an era of peace is A. Augustus

Explanation:

the real answer is b

answer:

won re-nomination with no opposition he also had the support of his party

explanation:

it saw incumbent president andrew jackson, candidate of the democratic party, defeat henry clay, candidate of the national republican party. jackson won re-nomination with no opposition, and the 1832 democratic national convention replaced vice president john c. calhoun with martin van buren.