Answer:
Because they were afraid of the looming threat of a helot revolt
I believe the answer is: The presence or absence of music
independent variable refers to the type of variables that are not influenced by other variables. This represent the things that can be controlled by the researchers in order to ignite a certain causal relationship with the dependent variables ( the things they want to measure)
They are both deaf people that are in the government.
It was influential on the improvement of weapons during WWll.
Answer is C as other answers are illogical, Sultanate is islamic/muslim and Delhi was in northern India so.