D.Time-consuming to develop is the chosen one.
In "The Prince," Machiavelli makes reference to making use of auxiliary armies, either allied or mercenary forces. He suggests that demanding extra forces to provide support to an own army is always risky. The reason is, in victory, the auxiliary army is owed a favor or might act against the party that hires it. Likewise, if the battle is lost, then the employer loses as well.
Answer:
The apple tree hung on to the clinging apples that surrounded it.
(Found it on the internet.)
I hope it helps.
Paradox! "Make haste" means to hurry up, while slowly is the opposite, meaning with low speed. Therefore this two words/phrase contradict each other and the answer is a paradox.