What Was Evident from the Research by Forbes and Others

What was evident from the research by Forbes and others (2009, 2011) about how levels of aggression differed in individualist versus collectivist cultures?

A) Aggression levels were highest in the United States, a highly individualist culture.
B) Aggression levels were highest in China, a highly collectivist culture.
C) Aggression levels were lowest in the United States, a highly collectivist culture.
D) Both the United States and China had equally high levels of aggression.