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.
the people of this fair country
D) US- Mexican War
Mexican-American War, also called Mexican War, took place from Apr 25, 1846 to Feb 2, 1848.
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Answer:
Plant life
Explanation:
John Muir was a researcher of plants.