Statecraft
Statecraft (stēitkrɑft). [f. state sb. + craft.]
The art of conducting state affairs; statesmanship. Sometimes with sinister implication: Crafty or overreaching statesmanship.
Oxford English Dictionary, first edition
Statecraft (also statesmanship) is the art of conducting public affairs. A statesman, stateswoman, or statesperson is someone who practices statecraft. As a contested concept, statecraft is difficult to define.