Which projection might you use to most easily visualize shipping routes and their compass headings, using one view of the entire globe?

Mercator

Explanation:

Mercator maps are maps that are used for projecting the world on a piece of paper that has certain number of parallel horizontal and vertical parallel lines and it Used for marine charts. Therefore, the exact location of any point in terms of constant geographical bearings can be obtained from such charts. It became the map projection used in the 1500 because of its distinctiveness in bearing path as a segment.