What Is an Example of Rationalism

What is an example of rationalism?  

A) Babies are born with a tendency to be sympathetic and this develops further as they mature. 
B) All cultures will inherently assume responsibility for and care for the weak in society. 
C) Telling the truth is found throughout all cultures because this value originates independently in the universe. 
D) Stealing a loaf of bread to feed a hungry family is not bad because the end result is good.