The people of Shang Dinasty had a big connection with mummies too.
Lady Dai from Shang Dinasty is the most well conserved mummy of the world, the doctors could do everything with the body, and were able to determinate her death, the way she lived and all.
Yes he is eligible, because he was born in the U.S.
Railroads on the Railways required tracks for the trains to run on them these tracks earlier made up of iron for its heavy duty but soon enough realise that iron was not a very good option for tracks. Meaning drawbacks of using iron for example rusting is it was realised that Steel was a better option in making railroads.
Steel being made out of iron is heavy duty material yet it is not much prone to rusting. Just addition of certain minerals and carbon in iron steel forging is done making it heavy duty material.
