Spanish helper of patriot cause is to Bernardo de Galvez, as French helper of the patriot cause is to

What would lead a historian to consider two events to have a relationship of correlation rather than causation?

Following archduke franz ferdinand's assassination, austro-hungarian leaders: a. aided the ottoman empire in its campaign to keep serbia under its control. b. executed nearly all prominent serbs living in austria-hungary c. threatened to invade serbia if serb leaders did not agree to a set of strict demands. d.. formed an alliance with great britain to protect austria-hungary from future attacks.

What did nativists think about chinatowns in the late 1800s?