drywall - What do I need to do and repair where these 3M strips pulled off - Home Improvement Stack Exchange

I live in a mature apartment complex, by mature I mean the complex was built in the late '60 early '70s. Only God knows how many actual coats of paint are on the wall(s). This 3M shelf fell one night

Command Photo Hangers, White, Easy On, Easy Off, Hangs

3M CLAW 3.3 in. H Steel Black 15 lbs. Load Capacity Drywall Hook

3M High Strength Hole Repair 8 fl. oz. Color Changing Spackling

Tahikem 8'' by 8'' Drywall Repair Patch, 5 Pcs Wall Patch Repair

3M Command White Assorted Picture Hanging Strips 4 lb 24 pk - Ace

Hanging Shelves « Home Improvement Stack Exchange Blog

Hempwood: Laying Down the Foundation for a Greener Future - Garden

drywall - Does anyone know what this is and how to remove it

A Thousand Pounds of Dynamite - The Atavist Magazine

DAP Flexible floor patch and leveler 32-oz Interior Gray Patching