Their views on many issues are known.
The Battle of the Somme, also known as the Somme Offensive, was a battle of the World War I fought by the armies of the British Empire and French Third Republic against the German Empire. It took place between 1 July and 18 November 1916 on both sides of the upper reaches of the River Somme in France.
It proved that the world was round to all the people who didn't believe so then.
Answer:
How were Mongols able to conquer such a large empire? By ruthless inter-breeding.
Explanation:
They had traditions of extreme warfare violence followed by murdering the ruling class of the other tribes then interbreeding the two tribes, so the offspring would all be a part of the Mongols one tribe
