Final answer:
The advantage of quantitative systems of political risk assessment is the use and reliance on past events.
Step-by-step explanation:
An advantage of quantitative systems of political risk assessment is the use and primary reliance on past events. This is true. Quantitative systems of political risk assessment analyze historical data and use statistical models to evaluate the likelihood of future political events. By studying past events, these systems can identify patterns and trends that can help predict future political risks.