Answer:
The use of height requirements, such as requiring police officers to be a certain height, before the 1970s in the United States is an example of **discriminatory hiring practices** or **discrimination based on physical characteristics.** These requirements were often used as a form of exclusionary criteria that disproportionately affected certain groups, such as women and some racial and ethnic minorities, who may not have met the specified height criteria. Such practices have been criticized for being arbitrary and unrelated to the actual qualifications required for the job of a police officer. Over time, there has been a shift towards more inclusive and non-discriminatory hiring practices in law enforcement agencies.
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