Answer: The changes that occurred in society due to the baby boom is that the culture went from a conformity type of culture where people were aliened for being different, to a rebellious and individualist mindset. Examples of this is how baby boomers would listen to rock and roll and wear bright diverse clothing which was a complete opposite of their parents.
Muckrakers presented Americans with facts about corruption in industry and government that prompted them to demand change.
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In World History, a declaration of independence does exactly that: declare a country's independence from a mother country. For example, the United States declared independence from England, and Comoros declared independence from France.