Given a sentence and two mentions from the text (arguments), indicate a phrase (a verb or noun phrase) that describes the relationship between the provided arguments.

Sentence: 'On 1 September , World War II started , and , on the 14th , SAN FRANCISCO moved south from Norfolk to join the Neutrality Patrol .', Argument/Subject 1: 'world war ius', Argument/Subject 2: 'september'
start in