The Mass Transit served the Middle and Upper classes in the 1890's. Hope this helps you!
Because the most important things are not forgotten
Answer:
Qin Shi Huang standardized writing, a crucial factor in the overcoming of cultural barriers between provinces, and unifying the empire. He also standardized systems of currency, weights, and measures, and conducted a census of his people. He established elaborate postal and irrigation systems, and built great highway
Explanation:
Sending resources, such as soldiers, food, ships, and ammo.