I love the illustrations of the American Girls and their dolls.
Kirsten looks sadly at Sari on this trading card illustration.
The back of the cards says:
The Larsons had to fit all their possessions in just two trunks when they traveled on the ship to America. Kirsten had to leave Sari in the big painted trunk in Riverton because
1. The family had to walk to Uncle Olav's farm since they couldn't afford a horse and wagon.
2. Kirsten had to help carry more important things than her doll.
Answer: 1, 2