Answer: A secondary source of information is one that was created later by someone who did not experience first-hand or participate in the events or conditions you're researching.
Explanation:
When Jeffersonian Americans sought "cultural independence" they meant that they wanted the freedom and "space" to live life the way they wished, without having to conform to the norms and customs of immigrant and other groups.
The new industries changed the lives of Americans in the 1920s because of the modernization, this allowed Americans to work for lesser hours while enjoying more leisure time as well as their hard earned money. <span>The 1920s was considered a time for positive results in the industry of consumer goods and American families, because of higher wages, shorter working hours, and manufacturing was up 60% in consumer goods. </span>Hope this is the answer that you are looking for.