Question

which principle for reflecting on the right conduct of war makes a soldier accountable like The Hague and Geneva Convention

Answer 1

The principle is that it is necessary to conduct in accordance with the international agreements. Countries that signed it have to abide by it and if they don't sign it or don't abide they are either tried for war crimes or have sanctions imposed on them by international communities.

Answer 2

The correct answer is the Proportionality principle.

The principle of Proportionality reflects on the right conduct of war requires to select military targets and the avoidance of international destruction of civilian targets and makes a soldier accountable.

This principle prohibits attacks against military objectives if it implies the loss of civilian life or damage civilian facilities. It restrict the damage of army operations when the attack could create more repercussions in civilian zones, preventing deaths and destruction. The Military has to sellect very carefuly its target to avoid collateral damage.