What sort of reference map would a researcher use to create a choropleth map showing differences in the voting tendencies of rural and urban areas?(1 point)

Responses

They would want to use a physical map showing the locations of farms and fields.
They would want to use a physical map showing the locations of farms and fields.

They would want to use a physical map showing mountain ranges or bodies of water.
They would want to use a physical map showing mountain ranges or bodies of water.

They would want to use a political map showing county boundaries.
They would want to use a political map showing county boundaries.

They would want to use a political map showing state boundaries

They would want to use a political map showing state boundaries.