What were some achievements of The Native Americans and the West Africans ?

Explanation:

Achievements of the Native Anericans : Developed scores of innovations - from kayaks, protective goggles and baby bottles to birth control ,genetectly modified food crops and analegestic medications . West Africa trades,musical instruments, ngonl, art,and visual arts

john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.

i believe it's that they cared for people. hope this ! : )