His program is called The New Freedom.
A Cartographer is the person that uses science, technology and art to produce maps.
Prince Henry (Infant D. Henrique of Portugal, Duke of Viseu) known as Prince Henry the Navigator was a pioneer during the Age of Discovery. As navigator he employed cartographers to chart the voyages and encourage this activity by using the skill inviting cartographers to go to Portugal to make maps for the infant that helped him during navigation.
Yea I think that’s what it is. I just learned this not to long ago
The Homestead Act granted 160 acres of land to participants for a small filing fee." i believe is your answer hope this helps