Which best describes the costs of world war i a. millions of soldiers died, but civilians were generally spared b. millions if people died, but the economies of warring nations remained healthy c. millions of soldiers and civilians died, and the economies of europe were ruined d. economies were ruined, but few civilians died

According to official data, more people were killed and killed during the First World War, in percentage terms, than in the case of World War II. According to estimates, tens of millions of people were killed as soldiers or as civilians, while many remained wounded or with permanent psychological consequences. Also economies of many countries have been largely destroyed, hundreds of billions of dollars have been spent directly in the war, and almost so indirectly. It was a war that cost more than any other war by then.

The answer is: C.

i would say b. research typically uses a variety of sources

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.