Assertion: gerbil | /r/CapableOf | make their way
Facets:
value: to europe
type: TRANSITIVE-OBJECT
value: along bustling silk road trade routes
type: LOCATION
Source sentences:
text: Stenseth and his team believe that after such ideal weather conditions caused an explosion in the Asian gerbil population, gerbils bearing fleas infected with the plague bacteria (Yersinia pestis) made their way to Europe along bustling Silk Road trade routes.