It was D. <span>Baron Friedrich von Steuben
He was a former </span><span>Prussian officer.</span>
Whereas theDepartment of Defense is charged with military actions abroad, theDepartment of Homeland Security works in the civilian sphere to protect the United States within, at, and outside its borders. Its stated goal is to prepare for, prevent, and respond to domestic emergencies, particularly terrorism.
<span>The War of 1812 was a conflict fought between the United States and the United Kingdom and their respective allies. Historians in Britain often see it as a minor theatre of the Napoleonic Wars; however, in the United States and Canada, it is seen as a war in its own right.</span>
It was Albert Einstein who signed the letter.
