United state’s influence on Canada is not an example of culture hearth.
Answer: B) United States' influence on Canada
Step-by-step explanation:
A culture hearth is the place of origin of a civilization. The total number of ancient culture hearths is seven. Most of the culture hearths are located near rivers and many civilizations are named according to the name of the river on the basin of which they flourished.
Nile valley civilization that originated in Egypt along the river Nile, Indus valley civilization along the river Indus etc are some examples.
In the given options Wei-Huang valley is a culture hearth in China and the civilization influenced west Asia. Olmec civilization and Mayan civilization originated in MesoAmerica culture hearth and they influenced Mexico and central America.