Overcoming Obstacles—How People Cause Social Change Introduction | Step 1 | Step 2 | Step 3 Step 2—The "Overcoming Obstacles" Survey Study the 12 items in this list to find out how African Americans (and others) overcame obstacles to full participation in aviation. Then, click for the curator's comments...   1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 1. “They Can’t Keep Us Down,” 1921 cartoon from the Chicago Defender         How does this item show how African Americans (and others) worked to remove obstacles to full participation in aviation?     Read NASM curator's comments on this item. Please preview and then print your answers before proceeding to the next question.   1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 Introduction | Step 1 | Step 2 | Step 3   NASM Main | Home | The Black Wings Story | Search the Archives | Classroom Activities | Teaching Resources | What's New