Prices effectively act as signals to producers and consumers in all of the following instances except A. Regulating government interactions..
Not many people worried about their child's education because children would already work jobs. Boys would usually help their fathers with work and girls would help their mothers with house work and (when they reach the age) get married. But when children were not allowed to work jobs at a young age they would start attending school. Also their were not many schools and they wouldn't get funded much so they were not in the best condition.
Hippocrates - Medicine
Euclid - Mathematics
Answer:
The Germans used mustard gas for the first time during war in 1917. They outfitted artillery shells and grenades with mustard gas that they fired in the vicinity of the troop target.
