43,000 marchers, including 17,000 WWI veterans, their families and supporters marched on Washington in 1932. They were known as the Bonus Army
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Answer:
Geo information service
Explanation:
In simple words, A geographic information scheme (GIS) is a computational structure for capturing and analysing geographical and spatial information. GIS frameworks are microprocessor tools that enable users to generate interactive questions storage as well as edit spatial and non-spatial data, evaluate spatial knowledge performance, and visually share the outcomes of these activities using maps.
