I saw this answer before on brainly and it was verified:
An authoritarian government is marked by the concentration of power in a small elite or leaders that exercise power arbitrarily, without limits, and without taking account on any body of law or existing Constitution, usually disrespecting people's right of having fair elections, freedom to express, among others. In opposition to this, in a constitutional government, the leaders' powers are limited. And these leaders are elected, kept in power and limited according to the laws of a given nation or area.
Any particular time? I guess the most relevant time for this question is early half of 20th century.
I think the event was first world war and some of its consequences (in many countries the monarchy was abolished so people "experimented" with new political organisatons, in Germany the war brought huge reparations which contributed to the deterioration of their economy)
and the global economic crisis of 1920
New York and Chicago got power through its success in the liquor trade.
The Italian - American organized crime network with operations in cities in the U.S
The Columbian Exchange has brought new species to Europe. This includes new plant species, such as tomatoes and potatoes which have help combat hunger in Europe. This can be seen for example through the fact that when potato has a blight it caused the great famine in Ireland. However, the Columbian Exchange was not only positive for Europe as it also introduced sicknesses such as syphilis.
