Test at the Battle of Somme
British forces firstly used tanks during the time of the Battle of the Somme in September 1916. They had a dramatic effect on German morale with also proved effective in crossing trenches and wire entanglements. But they lost to break through the German lines.
Answer:disagreements over slavery, and federal rights
Explanation:
They all believe in one god that his is all mighty
I believe the answer to be Charudatta, though you may want to double-check.