Answer:
1.) The main idea is about where and how the teddy's were originated.
2.) The numbers 3,4 and 7
3.) This material belongs to the secondary source. because In contrast, 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. For the purposes of a historical research project, "secondary sources are generally scholarly books and articles".