Monroe doctrine was the thing that blocked other nations from coming into americas. It was enforced by the british military who were the strongest at time.
Many nations accepted this out of fear of their military.
Answer:
The Gilded Age saw rapid economic and industrial growth, driven by technical advances in transportation and manufacturing, and causing an expansion of personal wealth, philanthropy, and immigration. Politics during this time not only experienced corruption, but also increased participation:
The major criticism of the Catholic Church put forward by the Protestants during this time was that the Church had "lost its way" and become too focused on pageantry than on truly serving God.
Justinian I failed to regain all of the former provinces of the old Roman Empire really from a combination of all these reasons, but the main one was that he made military blunders.
Harvard College was originally founded by Puritan theologists to train ministers.
