Answer:
O F. exploration and colonization of the colonies in America
Explanation:
The main factor that involved for the discovery of gold, silver and oil in America is the exploration and colonization. First, different explorer explore the America and its different resources like gold and silver and then the people of those countries start colonizing in these areas in order to get these natural valuable resources in order to boost their economy.
It was twenty five percent. By 1937 due to new deal reforms it was 14%.
Because it became equally as important as learning religion during those times
