Which of the following groups was massacred by the ottoman empire during world war i?
a. russians
b. austrians
c. armenians
d. turks

The correct option is "C. Armenians"

The Armenian genocide also called Armenian holocaust, or Great Crime was the forced deportation and extermination of an undetermined number of Armenian civilians, calculated between one and a half million and two million people, by the government of the Young Turks in the Ottoman Empire, from 1915 to 1923.

It was characterized by its brutality in the massacres and the use of forced marches with deportations under extreme conditions, which usually led to the death of many of the deportees. Other Christian ethnic groups were massacred by the Ottoman Empire during this period, among them the Assyrians and the Pontic Greeks. Some historians consider that these acts were part of the same genocidal policy. Many communities of the Armenian diaspora around the world came to be formed as a direct result of the genocide

it affected it because the kingdoms (with trade) slowly got richer and richer.