To help rest of people get to the other side
an orchid mantis does or does not help mankind. which means that it doesn't help mankind but its not bad for mankind either
entertainig mankind
shelter
The plant help mankind by purifying the air by absorbing CO2 and releasing O2 during synthesis of organic compounds used by entire animal kingdom including mankind.
There are a lot of things that could be done to help mankind. The invention of airplanes was a great achievement that has changed mankind.
she suck
they help the bridge to withstand earthquake by their hydraulic engineering
They help keep the suspension bridge up by giving it balance.
made the first flag
nothing
They helped by making wok easier
philarthropy