Secretary of State John hay was an advocate of "<span>A. an open door with China" (also known as an "open door policy" since by this time China had become a powerful economic force. </span>
Answer:
One of the most famous map projections is the Mercator, created by a Flemish cartographer and geographer, Graduates Mercator in 1569. It became the standard map projection for nautical purposes because of its ability to represent lines of constant true direction.
