The sentence has a subject and predicate so complete.
A rail is the tracks the road is the streets.
The correct answer is 'that neither logic nor superstition can fully explain cultural traditions'.
Metal has always been the primary material used by civilizations to make weapons. The amount of metal possessed by a nation can greatly influence how a nation is viewed, feared, and respected by surrounding nations. Like you can just grab a piece of metal and bonk it on someones head and they would pass out-
B it has a lot of responses compared to A which only had one response :)