(PSA<span>) or </span>public service<span> ad, is a message in the </span>public<span> interest disseminated by the media without charge, with the objective of raising awareness, changing </span>public<span>attitudes and behavior towards a social issue.</span>
Battle of Antietam is the eighth-costliest land battle of the American Civil War <span>also known as the </span><span>Battle of Sharpsburg. Hope this helps!!</span>
