Answer:
The most important cost of WW1 were human lives, as millions of people died during the war and later from many diseases.
Explanation:
WW1 was the most brutal war until then, which devastated European continent.
Although, material costs were enormous, human casualties were even greater.
Only nine millions who died in the war, millions who were wounded and deeply hurt, many families, even many countries devastated.
Dark-skinned French is what makes up a good majority of Canada. And given recent immigrational trends, the population will only increase. Hope this helps.
The Olmec civilization was located in Mesoamerica, in a region that is now occupied mainly by Mexico. They were a very early civilization that came to prominence around the same time as Mesoamerica was flourishing.
Has a semi presidential system