Tika Sharma Peace or conflict is largely determined by government. For people to have a say requires an election.
The question then arises as to how the people can individually or collectively encourage peace rather than conflict.
Street protest against war is one possibility. Changing the constitution to require a parliamentary decision rather than a government decision to declare war is another possibility.
Where sanctions are applied against an invading nation, it is individuals who will see the sanctions are effective be they financial, sporting or cultural isolation.
Ultimately when one country leader invades an adjacent country it will be for the people of the invading country to remove their leader through elections.