The current immigration policy and national security work in tandem. The design of the immigration policy revolves primarily around the idea of security. Drugs trafficking is a part of the security concern. According to Andreas (2009), President Reagan considered drug smuggling a national security concern (p. 43). However, prior to 9/11 the same border security countermeasures and technologies existed, but the funding was not equal to what it is today (p. 167).
What does open, but closed borders mean?
An open border is the type allowing people to freely cross to and from. A closed border would be one restricting all movement. A combination