Regulated European colonization and trade in Africa during the New Imperialism period and coincided with Germany's sudden emergence as an imperial power.
The indians had to relocate
A primary source would be an eye witness account of the event. Someone who seen it happen.
The battle resulted in the military defeat of Husayn ibn Ali's group, the death of almost all of his men, and the captivity of all women and children. The Battle of Karbala is one of the most significant battles in the history of Shia Muslims
So the answer is number 1