I think it's D because "Causation" is <span>the action of causing something.</span>
Mahatma Ghandi is revered by many people all around the world as a symbol of unity and peace.
The railroad boosted the economic status of the USA the transportation of raw materials and manufactured good to and from industries became faster and easier after the completion of the railroad
The Latin phrase that usually means that in the court proceeding there was no opponent is "In re"
