Sewing machine how did it help?​

Explanation:

it helped people massively by saving time by making clothing and fabric pieces using a machine instead of manually :)

monasticism. people often do monasticism in monasteries

nuclear fission produces the atomic bomb, a weapon of mass destruction that uses power released by the splitting of atomic nuclei the fighting in iwo jima and okinawa affected the allies' pacific strategy because truman decided to drop the atomic bomb on mainland japan.