Answer: Your introduction paragraph sets the context of the topic well and states your argument clearly. However, there are a few things that could be improved:
Clarity: The sentence "That is just crazy, though the people of the United States, are doing better in recent years" could be clearer and more concise.
Connections: It would be helpful to connect the current state of division in the United States with the topic of the TED Talk.
Transitions: The transition from the current state of the United States to the topic of the TED Talk could be smoother.
Overall, your introduction is a good start, but some minor revisions could help to make it clearer and more engaging.
Step-by-step explanation: