Diplomacy means a country’s representatives abroad
Germany is surrounded by many smaller countries, and it's easier to attack the countries surrounding Germany/or other smaller countries.
The correct option is A): From sense organs to the central nervous system.
The Peripheral Nervous System is divided into two different divisions. One of them is the afferent or sensory and the other is the efferent or motor division.
The main function of the sensory or afferent division is to carry impulses from peripheral organs to the Central Nervous System.Whereas,the efferent division is in charge of transmitting impulses from the Central Nervous System to the peripheral organs to produce action.
I think it was because dynastic rulers were so caught up with war that they had to let china have a time of peace so they could focus on wining their wars. I hope i helped you out!