In the 1920's, it was caused by high supply with low demand (low prices), high technological prices, the passage of Fordey-McCumber Act caused foreign markets to stop buying American agricultural products
Because as industrialization grew and spread throughout Europe, competition for raw materials increased. Consequently, some European industrialists encouraged their governments to colonize African countries as a method of guaranteeing sources of raw materials.
I believe the answer is C, immunity because (immunity) means protection or exemption from somethings, especially an obligation or penalty. So the key word in the question is protection. I hope this helps and just stating I am NOT 100% sure.
Answer:
I believe it is B if it not I am so sorry
In 1838, the city of Boston established the first American police force