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:

answer; /// the correct answer is evidence of the olmec civilization has been found in southern american in a hot steamy forest, archaeologists have found earthen artifacts at several sites that were evidence of the olmec civilization. these   artifacts were mounds,courtyards and pyramids build of stones, also on top of the mounds were many monuments made of stone, some of these stone structures are very large, they weigh as much as 44