In 1837 Morse demonstrated stunning invention by making a code (Morse code) that assigned a set of dots and dashes to each letter of the English alphabet and allowed for the simple transmission of complex messages across telegraph lines.
On April 22, 1915, German forces shock Allied soldiers along the western front by firing more than 150 tons of lethal chlorine gas against two French colonial divisions at Ypres, Belgium. This was the first major gas attack by the Germans, and it devastated the Allied line.
https://www.history.com/this-day-in-history/germans-introduce-poison-gas
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Mr. Mendal was a expert in genetics and was trying to figure out how alleles worked. He used plants for this and tried to mix different colors. After the experiments he successfully found that if you mix the genetics of one thing with another there is a chance to mix.
I think it's D a total war aimed at victory and reunification
