Read the following excerpt from an argumentative essay analyzing the effects of climate change on global food security.
As agricultural patterns shift due to worsening climatic conditions, the stability of food supplies is critically threatened. Various studies illustrate that regions previously considered agricultural strongholds are becoming arid wastelands. In response to these alarming trends, it is imperative for policy-makers to reevaluate existing agricultural policies and invest in sustainable farming practices.
Based on the excerpt, which of the following organizational strategies is primarily employed to enhance the argument's effectiveness?