It sure is man...........................
These journalists were called muckrakers. They basically "raked the muck" out of society to make it a better place. They uncovered unsafe working conditions and unjust business practices and wrote about them to try to expose corruption.
In modern society, when we refer to the division of labor, we are generally talking about "<span>c. All the jobs people do are connected to other jobs," since this allows for job specialization that helps productivity. </span>