Final answer:
Towing or pushing a bus with passengers is generally illegal due to safety reasons, with potential exceptions for emergencies. Historical segregation laws, such as those requiring African Americans to give up their seats, are no longer relevant to today's bus towing regulations.
Step-by-step explanation:
It is generally illegal to tow or push a bus with passengers on board due to safety concerns. However, there may be exceptions to this rule, such as in emergency situations where the safety of the passengers can be assured, or when law enforcement or another authorized entity deems it necessary under strict protocols. The specifics can vary depending on local laws and regulations. The mention of African Americans being required to give up their seats to white passengers reflects historical segregation laws that were in place in the United States, particularly in the South, until the civil rights movements of the 1950s and 1960s worked to abolish them. This practice has been made illegal and would not be relevant to the regulations around towing buses today.