The best explanation of the information on the graph is B All participants suffered significant losses because the war became a stalemate.
The graph is not attached but the only historically accurate answer is option B.
This is because the first World War eventually became a stalemate in France with the line of fighting barely changing for years.
Instead, trenches were built along the front lines of either side that stretched for hundreds of kilometers. These trenches made it difficult for either side to advance on the lines of the other.
Whenever either side would try to advance, the other side would fire at them from the trenches.
As a result, either side suffered significant losses whenever they tried to capture territory.
In conclusion, the best explanation is that All participants suffered significant losses because the war became a stalemate.
Find out more on World War I at https://brainly.com/question/8535233
#SPJ1