Topic Review and Update

[MacGregor]

I'm good with getting rid of them. It's probably not worth the effort but if I had to do this from scratch, I would divide the pre-spaceflight era into an Age of Agriculture and Age of Globalization. The Age of Globalization (1400-2100 CE) would cover the seven centuries of planetary exploration, interconnectivity, modern science, industrialization, and the beginning of spaceflight.