The answer is the Senate. In the national legislature of the United States, "guidance and assent" is an energy of the United States Senate — in this case, the ability to affirm arrangements by the President of the United States to open positions, including Cabinet secretaries, government judges, and representatives.
What has not been an effect of the Drug War in Mexico is that the government had to and has to fight the different cartels without any assistance from neighbouring countries. This isn't completely true nor is it an effect of the Drug War itself - d.
