Complex sentence: The Mérida Initiative is a security cooperation approved on June 30,2008, between the United States and the government of Mexico and the countries of Central America, with the aim of combating the threats of drug trafficking and transnational crime.
Split into simpler sentences: The Mérida Initiative is a security cooperation between the United States and the government of Mexico and the countries of Central America. It was approved on June 30,2008, and its stated aim is combating the threats of drug trafficking and transnational crime.