The exclusion zone was later increased Cause_change_of_position_on_a_scale to radius when a further 68,000 people were evacuated Emptying from the wider area .

As a result of rising Cause_change_of_position_on_a_scale ambient radiation levels off-site , a radius exclusion zone was created Creating 36 hours after the accident .

In 1944 , the U.S. Supreme Court upheld the constitutionality of the removal Removing by ruling Legal_rulings against Fred Korematsu 's appeal Protest for violating Preventing_or_letting an exclusion Removing order Arranging .

The Court limited Limiting its decision Deciding to the validity of the exclusion Removing orders Arranging , avoiding Preventing_or_letting the issue of the incarceration Arrest of U.S. citizens without due Causation process .

Approximately 5,000 Japanese Americans relocated Removing outside the exclusion zone before March 1942 , while some 5,500 community leaders had been arrested Arrest immediately after the Pearl Harbor attack Attack and thus were already in custody Arrest .

Two years after the march , the Million Woman March was held Hold in response to fears that the Million Man March had focused on black men to the exclusion of black women .