As a result, their attitudes became more polarized—the proponents became more in favor of the death penalty, whereas the opponents became more opposed to it
People are more accepting of evidence presented by in-group members than by out-group members; and are more skeptical of evidence presented by members outside their group
People of a certain political leaning believe news brought by others who share their beliefs and opinions (and biases) as opposed to information provided by others who don't share their opinions
People who claim to think highly of Christian values in a public servant sometimes vote for politicians who do not have any principles and morals to speak of
Others are quick to defend their basic civil liberties but prevent others from being given the SAME civil liberties e.g. same-sex marriage, trans rights, social justice, etc.