Overall, was it a good idea to bring the Africans to America?

I know. The European invaders could have made the Natives their slaves instead of killing as many as they could and putting the rest in Concentration Camps.

Here are some items that Blacks invented the Air Conditioning Unit, Airship, Almanac, Auto Cut-Off Switch, Automatic Fishing Reel, Baby Buggy, Biscuit Cutter, Blood Plasma, Cellular Phone, Chamber Commode, Clothes Dryers, Curtain Rod, Curtain Rod Support, Door Knob, Door Stop, Dust Pan, Egg Beater, Electric Light Bulb, Elevator, Eye Protection, Fire Extinguisher, Fire Escape Ladder, Folding Bed, Folding Chair, Fountain Pen, Furniture Caster, Gas Mask, Golf Tee, Guitar, Hair Brush, Hand Stamp, Heating Furnace, Horse Bridle Bit, Horse Riding Saddle, Ice Cream Scoop, Insect Destroyer Gun, Ironing Board, Key Chain, Lateran, Lawn Mower, Lawn Sprinkler, Lemon Squeezer, Lock, Lotion & Soap, Lubricating Cup, Lunch Pail, Mail Box, Mop, Pacemaker, Paints & Satins, Peanut Butter, Pencil Sharpener, Phone Transmitter, Player Piano, Pressing Comb, Radiation Detector, Record Player Arm, Rolling Pin, Shampoo Headrest, Shoe, Shoe Lasting Machine, Spark Plug, Stethoscope, Straightening Comb, Street Sweeper, Sugar Refinement, Thermostat Control, Traffic Signal, Train Alarm, Tricycle and Typewriter.

They built this country, whether you like it or not.

Blacks  are net negative even in Europe. Most of the black inventions in that list can be easily debunked. Lol. That’s a false information spread by Black activists and blm types...

There is no way to answer your question without coming off as racist, but no, overall black people are a negative for society.

@E.G.G.M.A.N: Peanut Butter was not invented by George Washington Carver. In fact, most of your list is factually wrong. lol