Answer:
religion
as it links to ethnicity as well
other people might be following this religion
The correct answer for the question that is being presented above is this one: "Topographic maps feature contour lines to portray the shape and elevation of the land. Topo maps render the three-dimensional ups and downs of the terrain on a two-dimensional surface. It also includes contours. Orthophoto maps<span> show land features using color-enhanced photographic images which have been processed to show detail in true position. They may or may not include contours."</span>