What term do historians use to describe the growing divide between North and South during the antebellum period?

The Antebellum South

Explanation: The Antebellum South (also known as the antebellum era or plantation era) was a period in the history of the Southern United States from the late 18th century until the start of the American Civil War in 1861.

labor leaders and organizations had the power to demand it.

explanation:

workers got a five-day workweek because the bcea protects and respect the rights of the employees. labor leaders and other groups demanded it.

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.