What is president snow's public motive for punishing district 12 with strict laws and food shortages?

President Snow's public motive for punishing District 12 with strict laws and food shortages is to maintain control and reinforce the consequences of rebellion against the Capitol. By instilling fear and creating a sense of scarcity, he aims to discourage any thoughts of resistance among the districts. This harsh treatment serves as a warning to other districts about the repercussions of defiance, ensuring their loyalty to the Capitol. Ultimately, it is a tactic to suppress dissent and uphold the Capitol's dominance.