Final answer:
Rules regarding non-alcoholic beverages and designated drivers at alcohol-present events depend on the specific organizational policies or local laws. Historically, attitudes toward alcohol and its regulation, such as during the temperance movement and Prohibition, highlight the societal concerns about alcohol consumption which have led to different legal and organizational approaches to ensure safety and legality.
Step-by-step explanation:
The question posed is related to policies regarding the presence of alcohol at events, and the need for non-alcoholic beverages and designated drivers. This appears to be a question about organizational or event planning guidelines where alcohol consumption might be involved. While societal attitudes towards alcohol have varied, as in the historic example of the temperance movement that indeed arose from concerns about social conditions including urbanization and immigration (which is true), rules about alcohol at modern events can depend on organizational policies or local laws. Organizations, such as fraternities, may have bylaws that require non-alcoholic options and designated drivers at events, and some jurisdictions may have legal requirements regarding this as well. It is important to note the historical context of alcohol consumption and regulation, such as during Prohibition in the United States, when the transportation or importation of intoxicating liquors was prohibited, unless allowed by local laws. This historical context highlights the regulation of alcohol and the attempts to ensure safety and legality in its consumption. Whether non-alcoholic beverages and designated drivers are mandatory at all events where alcohol is present today would depend on the specific regulations and policies of the state, territory, or organization in question.