The creation of the Atlantic trade network greatly facilitated the spread of Christianity.
Christianity is your answer.
I don’t know if this is right but this is what I came up with.
In the government, including citizens and powerful leaders must obey the laws. Individual people or groups cannot twist or by pass the law to serve their own interest.
During the 1870's, the British and the Italian governments were the total opposites. The British government was very strong, with very powerful centralized body. It also had lot of colonies and dominions, and lot of powerful figures were installed by the government to control them, in order for the government to have better control as well. The Italian government, on the other hand, just settled. After a period of conflict and unrest, the government finally set on a table and started to make plans about the future of the country and its development, as well as for the formation of Italian identity, thus we can say that the government was in a phase where it was forming a nation.
The impact of Great depression hit the economic conditions in countries of Latin America. Chile, Peru and Bolivian economies became instable.
The rise of Authoritarianism in Latin America also can also be called reason for not reviving from crippling economic condition. Fascism was prominent during the Great Depression.
Coffee trades fell to a lowest level which lowered the coffee prices. To keep the coffee prices stable the government started to hoard coffee and dumped major part of coffee in Mediterranean sea, Coffee plantations were also set ablaze to prevent the price of coffee hitting the lowest. Sugar production halted for many years as sugar was available in cheapest price.
Investors from other countries neglected this crippling economy of Latin America.