How many miles did the Qin dynasty
encompass at its height?

The outside is 16 feet (5 meters) high from the outside, and the inside is 7 feet (5 meters) high.

Explanation:

Qin Dynasty was the first unified, multi-national and power-centralized state in the Chinese history. It lasted from 221 BC to 207 BC. Although surviving only 15 years, the dynasty held an important role in Chinese history and it exerted great influence on the following dynasties.

The Qin empire is known for its engineering marvels, including a complex system of over 4,000 miles of road and one superhighway, the Straight Road, which ran for about 500 miles along the Ziwu Mountain range and is the pathway on which materials for the Great Wall of China were transported.

It has a total length of 7.5 miles (12 kilometers). The wall is 3.4 yards (3.1 meters) wide at the bottom, and 3 yards (2.8 meters) wide at the top. The outside is 16 feet (5 meters) high from the outside, and the inside is 7 feet (5 meters) high.

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the industrial revolution pushed the world into modern industrialization. it changed the course of history profoundly. it caused rapid urbanization and pushed cities and countries into development. the industrial revolution began in great britain with a series with new inventions which led to the creation of machines and mass production.

this caused the country to gain wealth and money and become an international superpower. it improved transportation and manufacturing inside the country, pushed people to live in urban areas and britain to become the most powerful nation in the world for a while.