Answer:
Local action refers to the activities taken by a person or organization, typically within a defined area or locality, to address a particular issue or problem. Examples of local action can include the formation of local clubs and organizations, the establishment of community gardens, or the creation of educational campaigns.
Polarization refers to the tendency of individuals and groups to engage in more extreme forms of behavior, such as extreme political views, extreme religious views, or extreme social views. This often occurs when individuals or groups feel that their beliefs, opinions, and values are not being heard or respected by others. Polarization can lead to increased conflict and discord within a society.