 Roosevelt's actions included violating the US Constitution's Contract Clause, the closing of banks, and a moratorium on foreclosures.Later, meeting a perceived threat by Japanese nationals and Japanese-Americans, Roosevelt ordered their relocation to internment camps.In the 21st century, John Yoo, attorney and legal theorist, has offered a theory of the unitary executive for massive authority of the US President, in his capacity as commander-in-chief of the armed forces.