Answer:
A kickback
Step-by-step explanation:
From the question given, Boss Tweed is said to have made his fortune by grafts and corruption, the term to describe this would be a kickback.
A kickback is a type of payment that is given to someone to facilitate an illegal transaction or project. This can be described as a form of bribery and corruption.
Therefore, the correct term is kickback as other options are incorrect.