The two principal river systems of Thailand are the Chao Phraya and the Mekong. Together, these rivers support the irrigation for Thailand's agricultural economy.
<span>A. Contour lines show elevation on topographical maps. </span>
Answer:
Farming
Explanation:
Farming is what ended nomads.
Answer:
Innovations of Emperor Shi Huangdi
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.
Germaqny and the middle east through thew silk road