Identify the conceptual definition that accurately isolates the political philosophy of 'distributive justice':
1. A system demanding the absolute societal monopolization and state ownership over all means of industrial production.
2. A philosophical framework governing the equitable and just allocation of resources, wealth, and systemic opportunities among the populace.
3. A legal doctrine ensuring that judicial punishment is administered strictly in direct proportion to the severity of the crime committed.
4. A civic state characterized exclusively by the total absence of hereditary or specialized privileges among its citizens.