The definition of preemptive is  something done in anticipation of another action or done to prevent something from happening. When the military takes action against forces they believe intend to do harm to them, this is an example of a preemptive strike.
Newsfront. Just 1 percent of illegal immigrants living in the United States last year were deported-a dramatic 25 percent drop from the previous year-a change the Obama Administration says is on purpose due to a shift in focus. illegal,immigrants,deported,drop. 400.
From 1996 to 1998, the number of immigrants in detention increased from 8,500 to 16,000 and by 2008 this number increased to more than 30,000. According to the Global Detention Project, the United States possesses the largest immigration detention system in the world. In 2003, the U.S. Immigration and Customs Enforcement agency (ICE) was created under the Department of Homeland Security. ICE enforces the United Statesâ immigration and customs laws, uses investigative techniques to apprehend and detain those suspected of violating them, and then deports many of these individuals.