Choose 1 proposed spending idea from President Biden's infrastructure plan and explain it in terms of externalities. Decide whether or not the issue is a positive or negative externality. Explain the proposal and your reasoning. Then, draw a graph correctly depicting the externality and how the proposal would address it.

Details about Biden's proposed infrastructure plan :

https://www.voanews.com/economy-business/economists-see-biden-infrastructure-plan-powering-growth-criticism-muted

https://www.nytimes.com/2021/03/31/business/economy/biden-infrastructure-plan.html

Please help, thank you !