Answer:
Salvation by faith alone
Explanation:
Catholicism taught that you could achieve salvation through good acts alone whereas Lutheranism, a subsection of Protestantism, believed it could be achieved by faith.
emergent norm theory
The theory hypothesizes that non-traditional behavior develops in crowds as a result of the emergence of
new behavioral norms in response to a precipitating crisis.New conventions must form as part of the collective action.
Protecting the interests of native-born or established inhabitants against those of immigrants