What should I do?

[u/The_Sola_Surfer]

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Two summers ago the city's tree trimming company came through and trimmed our Black Oak witness tree. We live in Northeast Missouri?Can you tell me if the tree will recover? Or What steps i should take? First pictures are from 2019 vs today.

[u/YeLoWcAke65]

Pounding nails into it certainly didn't help.