Who holds the power to add a referendum to a ballot

a direct vote in which an entire electorate is invited to vote on a particular proposal. this may result in the adoption of a new law.  

american troops were forced to withdraw following deadly bombings.

explanation:

a phrase from a poem by ralph waldo emerson about the battle of lexington and concord. emerson's words read, “here once the embattled farmers stood / and fired the shot heard round the world.”