Standard
    
    
        - CCSS.ELA-Literacy.RI.4
- Reading Standards for Informational Text
    
   
    
       
   
    
    
        - CCSS.ELA-Literacy.RI.4.3
- Explain events, procedures, ideas, or concepts in a historical, scientific, or technical text, including what happened and why, based on specific information in the text.