China package tour for The subsequent four emperors came to power through the wise planning of their predecessors. The last of these good emperors, Marcus Aurelius (121 180 C.E.), trained from childhood to be emperor, became an enlightened ruler and philosopher, but he confronted plague, rebellion by a general in the East, and Germanic tribes along the Danube frontier in the North. The Roman economy. Wherever Rome’s mighty legions conquered, they built stone roads, chiefly for military purposes and supply, but with secondary benefit to trade and communication. They also constructed ingenious aqueducts, bridges, sewers, amphitheaters, defensive walls, and fortresses, many of which survive. China package tour 2016.