C you gave no explanation for b
They offered defensive positions and safety to the people. They were also where the Lord lived and where the lord was is where the money was. Thus trade and economic prosperity happened around the castle. Many trades were needed to support the lord and his castle. The lords army had to be equipped and fed. Thus markets and tradesmen were needed to support the lord and his castle.
I’m pretty sure that the answer is a
Answer:
prevent the possibility of a nationwide railroad strike
Explanation:
if you mean the "Adamson Act" then the incentive for wilson to push this law was to prevent a nationwide railroad strike