Answer:
D - All Of The Above Are Correct.
Step-by-step explanation:
The First World War ushered and increased the attractiveness of the sporting goods in the following ways:
1. Military training of soldiers brought a new source of revenue: Training involved the purchase of sporting goods which were needed for training. Therefore, revenue was increased.
2. The war had an immediate impact on the sale of sporting goods equipment and the demand for such equipment increased: As soldiers used sports as a means of preparation and training, the demand for sporting goods also increased.
3. The belief that sport would nurture and develop manly traits was further solidified by the war: The war presented an avenue to develop manly traits.