The answer is "major division"
I'd say the answer is 'the visible is more dangerous than the invisible', because Duncan never suspected that his faithful Macbeth would be the one to kill him.
“Although his cheeks were turning a crimson red color, Sanha got through the torture of doing four laps.”
The answer is the following: Four (Adj); score (N); and (Conj); seven (Adj); years (N); ago (Adv).
“Four” is an adjective because is giving information about the noun that follows, “score”. “And” is a conjunction. Conjunctions are used mainly to join phrases within a sentence. “Seven” is the adjective that is describing the following noun, “years”. Finally, “ago” is an adverb of time that is used in the simple past tense to indicate the period of time that has passed from the beginning of the action.