Sometimes to Make Big Changes in the Environment,one Needs

Sometimes to make big changes in the environment,one needs

A) to convince politicians of the importance of the environment.
B) to organize demonstrations to show popular support for change.
C) to bring the media on board so that change is widely publicized.
D) to make change easier to implement.
E) to induce fear in the general public so they put pressure on powerful figures to implement change.