Well the <span> main </span>reason<span> that the </span>League<span> of </span>Nations failed<span>, was that the countries only thought for themselves. The absence of the U.S. was a large factor in the failure of the </span>League<span> of </span>Nations<span>, but the root cause of the failure of the </span>League<span> was that it had no real power.</span>
Answer: I think it's A tell me if you get it right
Anyways here:
He built a network of roads and canals and established a national religion. They built the Great Wall and standardized system of weights and measures. They made the army bigger and forced nobles to move to the capital.
