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.
Answer:
It started a revolution that showed the world that it was possible to overthrow an empire. It was the beginning of a push for democracy all over the world.
Answer:
The answer is Versailles, France
The articles created a very weak government, giving the states most of the power. So, go with B.
