Destiny has become concerned about the impact of hurricanes in her area. Every time there’s a major storm, storm surges lead to flooding in her neighborhood. She wants local leaders to invest in new structures, such as levees or seawalls, to solve the problem. As a result, she is working on a proposal to present to the city council. Part of her plan will include showing how her ideas have been helpful in the past.Which step would best help Destiny complete her goal?