Only 27 words long, the Second Amendment to the U.S. Constitution has aroused enough debate in the past 10 years to become one of the hottest social topics in the country.

With every high-profile shooting that leaves multiple deaths or injuries — the most recent on April 28 that left five people dead in Pennsylvania — one side in the debate wants increasingly restrictive laws on selling and possessing guns, while the other side favors enforcing the existing laws and protecting an individual’s right to possess firearms.