This activity covers multiple standards. My students were so engaged that I am creating similar such activities in analyzing maps to accomplish this high level of engagement and learning again!
Oregon Social Science Standards:
6.11. Distinguish among different types of maps and use them to analyze an issue in the Western Hemisphere.
6.12. Collect and analyze data to describe regions of the Western Hemisphere.
6.13. Classify and analyze the types of connections between places in the Western Hemisphere.
Common Core ELA:
Cite specific textual evidence to support analysis of primary and secondary sources.
Determine the central ideas or information of a primary or secondary source; provide an accurate summary of the source distinct from prior knowledge or opinions.
Integrate visual information (e.g., in charts, graphs, photographs, videos, or maps) with other information in print and digital texts.