<img width=“750” height=“426” src=“https://i1.wp.com/flowingdata.com/wp-content/uploads/2020/02/Mapping-how-railroads-built-America.png?fit=750%2C426&ssl=1" class=“attachment-medium size-medium wp-post-image” alt=“” srcset=“https://i1.wp.com/flowingdata.com/wp-content/uploads/2020/02/Mapping-how-railroads-built-America.png?w=1906&ssl=1 1906w, https://i1.wp.com/flowingdata.com/wp-content/uploads/2020/02/Mapping-how-railroads-built-America.png?resize=750%2C426&ssl=1 750w, …