Number 1, The Treaty of Versailles, due to the fact it severely limited the German military, and made Germany pay large war reparations which destroyed the German economy.
Answer:
It looks like children working in a coal mine so i guess Gases, Mines could collapse, and possibly get sick from fumes or something.
Padraic Colum's text shows us a different angle of Jason and the Argonauts myth. Almost as if in an attempt to complement the original mythical tale, he gives an extra 'life', an individualization to the characters that brings us closer to them. He brilliantly does so by narrating events that would have occurred between the 5th and 6th paragraphs of the original myth text, when Jason would return to his ship Argo to meet his comrades after he learns (and agrees) to the tasks proposed by King Aietes intended to prevent him from getting the golden fleece, and before he seeks Medea's help in accomplishing those tasks.