Background Information The possession of guns by individuals is becoming a controversial(争议的) Issue. Some people think crime will be going up with more and more people having guns, while others just hold the opposite view. They are respectively known as anti-gun lobby and pro-gun lobby (a group of people who unite for or against an act of legislation立法)Background Information The possession of guns by individuals is becoming a controversial （争议的）issue. Some people think crime will be going up with more and more people having guns, while others just hold the opposite view. They are respectively known as anti-gun lobby and pro-gun lobby (a group of people who unite for or against an act of legislation 立法)