I would call Homeland Security. Their duties are not just
about preventing terrorist activities but also preventing man-made and natural
disasters as well. They respond to large
scale emergencies as part of their mandate to protect the U.S. and its
territories from threats that are either man-made or natural in nature.
<h2><em>After the Siege of Gaza, Alexander advanced from Syria towards the heart of the Persian empire, crossing both the Euphrates and the Tigris rivers without any opposition.While Darius had a significant advantage in number of soldiers, most of his troops weren't as organised as Alexander's.
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