1. The helped out eachother and had a meeting together talking about coal mining.
2. It grew in Oklahoma because its land have good sand oils/rich minerals.
Answer:
When Constantine attempted to set up "New Rome", he succeeded in making a new political center in the East, unified by the Christian religion. To add, New Rome was a name given by the Roman Emperor Constantine the Great in 330 AD to his new imperial capital at the city on the European coast of the Bosporus strait.
The disagreement over representation in Congress was critical. the large states
Maybe there were no cures, vaccines, or antibodies at the time. Medicine was never completely discovered for centuries to come, which is why the Black Plague occurred during the medieval/Middle Ages.