Why did Annemarie want to wear Ellen's necklace in Number the Stars?

In "Number the Stars," Annemarie wants to wear Ellen's Star of David necklace as a symbol of her friendship and solidarity with Ellen, who is Jewish. By wearing the necklace, Annemarie hopes to protect Ellen by making her appear less Jewish and thus less likely to be targeted by the Nazis. Additionally, the act signifies Annemarie’s bravery and commitment to standing by her friend during a time of danger. Ultimately, it reflects the themes of loyalty and the fight against oppression in the story.