What are some different ways humor could be used in the trenches?

The 'sports' range from pillow fights, wheelbarrow races and even wrestling on mules. Games played in the trenches were part of the entertainment program arranged by WWI officers to keep the morale of the fighting soldiers in the middle of the war. There was even a precise scale sketch of a trench tramway

Explanation:

the answer is a glaciers carved a large valley that later flooded and became puget sound

no every country is held to the same degree as others just some member countries such as the usa and germany are more economically sound so the need to show there support to all others