Which factor contributed to the internment of japanese americans during world war ii?

labor shortage during the war

influence of racial discrimination

increase of terrorist activities on the west coast

fear of loss of jobs to japanese worker

to replace ineffective because   andrew jackson's spoil system was a deliberate policy after he became president to remove federal employees he considered to be political opponents and replace them with his own supporters.

the viking voyages took place during the middle ages, which was about this time. 500 to 1350. the viking voyages took place during the middle ages, which was about this time.

i liked the part where, i got to pick which statements fitted the questions. i didn't really like doing all the hard work.