The book the jungle book by Upton Sinclair exposed the horrible conditions in which industry showing of unfair work practices experienced by poor immigration laborers. Most of the work in the Industry was being carried out by people with few political or legal right to protest their poor working conditions and harsh treatment.
The answer to go in the blank would be ''hobbs''.
Sam Houston was a great political figure. He got Texas independence on the day of the Battle of San Jacinto. He was Governor of both Tennessee and Texas. He was a U.S. Senator and a U.S. Congressmen. He was a frontiersmen, statesmen, great orator, and accomplished military man. He is one of the founding fathers of Texas and a great Indian Rights Supporter.
FYI: He started the saying “Remember the Alamo!.
Do you have options? If not I can list a few:
Illegal drugs.
Illegal Weapons.
Illegal stuff.
Unregistered people.
Terrorists.