Answer:
Roman engineers used inverted siphons to move water across a valley if they judged it impractical to build a raised aqueduct. The Roman legions were largely responsible for building the aqueducts. Maintenance was often done by slaves. The Romans were among the first civilizations to harness the power of water.
Explanation:
People should become vegetarian because it is proven to be healthier and besides we should have compassion for animals; since there is way too much animal cruelty going around just to have a plate of meat on the table.
The Qin dynasty built the Great Wall of China
Answer:
The Treaty of Guadalupe Hidalgo
Explanation:
