Emperor Constantine chose the location for a new capital partly for its long distance from-

Germanic invaders
Germanic invaders

Feudal Kingdoms
Feudal Kingdoms

trade routes
trade routes

mongol hordes
mongol hordes

All of the above answers are correct. Emperor Constantine chose the location for a new capital, which would later become known as Constantinople, partly because it was a long distance from Germanic invaders, feudal kingdoms, trade routes, and Mongol hordes.