Using the word "sinew" suggests that there are many components of what make peace work, and it implies that we as people must know how to be peaceful by cooperating with each other.
Labor unions fought for reasonable working hours, safe working environment, and, better wages. Child labor was also stopped at that time and improved health benefits for injured or retired workers.
Allied Forces won the fighting in North Africa in 1943. The Axis surrendered.
The answer to this question is true.
