Which presidential action is an example of the
use of the unwritten constitution?
(1) signing a law passed by congress
(2) calling a meeting of the cabinet
(3) ordering the navy to patrol the persian gulf
(4) nominating a federal court judge

Signing a law passed by Congressis an example of the use of the unwritten constitution.

Cherokee  removal, part of the trail of tears, refers to the  forced  relocation between 1836 and 1839 of thecherokee  nation from  their lands ingeorgia, south carolina, north carolina, tennessee, texas, and alabama to the indian territory (present day oklahoma)  in  the thenwestern united states, and the resultant deaths