Which statement about the treatment of japanese americans during world war ii is correct?

a.
president roosevelt refused to allow japanese americans to serve in the u. s. military during the war.

b.
u. s. courts convicted dozens of japanese americans of spying for japan during the war.

c.
the u. s. government denied japanese americans their basic constitutional rights by sending them to internment camps.

d.
the secretary of war decided that japanese americans posed no threat to national security.