Which of the Following Examples Illustrate a Response to an Externally

Which of the following examples illustrate a response to an externally imposed condition?

A) the community organized to do fund raising for a family whose house burned down
B) when a new corporation decided to build a steel company near a school, community members formed an action group
C) when a new mayor was elected who did not value the voices of the people, the community demonstrated by the city hall
D) when the municipal council surveyed schools and suggested closing of the ones that had rat infestation
E) the community organized a rally against drunken driving