13.1 Describe how the American tendency to form political associations has evolved into modern-day interest groups.

13.2 Explain how and why interest groups form.

13.3 Identify four types of interest groups and the kinds of interests they represent.

13.4 Describe how interest groups use lobbying and campaign activities to get the public policy they want.

13.5 Identify specific resources that interest groups bring to bear when attempting to influence public policy.