What did the US government’s Executive Order 9066 authorize?

the relocation of people with Japanese ancestry to California
the exclusion of any person from any area of the country
the registration of German Americans as potential foreign enemies
the exclusion of Italian Americans from the military

Some organisms have a large geographic range. for example, the norway rat lives on every continent except antarctica. a population of norway rats is the number of rats in one particular area. do you think it’s scientifically possible for a population of norway rats in north america to carry different genetic mutations than a population of norway rats in africa? do you think it’s possible that they carry some of the same mutations? what types of information can scientists learn by studying the genomes of these two populations of rats?