Final answer:
The phrase "to get rid of ST/SB" in this context refers to a process of elimination or removal, specifically in relation to financial and organizational matters.
Step-by-step explanation:
In the given context, the phrase "to get rid of ST/SB" refers to a process of eliminating or removing something or someone. However, in this case, it has a specific meaning related to financial and organizational matters. It signifies the cessation of credit and the demand for the early repayment of debts and other financial obligations, as well as the investigation and removal of foreign and hostile elements from cooperative and state institutions. This process is typically carried out by specialized government bodies such as the Workers and Peasants Inspectorate.