Brown Recluse Spider Bite â Stages, Symptoms, Treatment, Pictures The mouth parts on most spiders are not strong enough to bite into the human skin and hence a large percentage of the spider population across the United States is actually harmless.
Answer: The protection of U.S. sovereignty, territory, domestic population, and critical defense infrastructure against external threats and aggression, or other threats as directed by the President. The Department of Defense is responsible for homeland defense.
Donald Trump has put John Kelly in charge of the Department of Homeland Security, a sprawling government department created by George W Bush after 9/11. It includes some 23 federal agencies and 240,000 employees who do everything from patrol the borders and screen travellers at airports to guard the president and protect power grids.