A, its basically an allegory through Greek culture.
Answer: D
A catalyst is a substance that alters the reaction and doesn't involve in the reaction.So if the Manganese was a catalyst the mass would not have decreased,it would just continue aletring the reaction until its used up.
The Manganese is not acting as a catalyst
The 6th amendment has lead to fair trials and not being convicted with out proof, the act of a fast trial means less of a chance of being put in jail for no reason. Hope this helps