Which event sparked the protest movement known as the arab spring

The Arab Spring, also known as Arab revolutions of 2010-2013, marked a revolutionary series of popular violent as well as non-violent riots, coups, foreign interventions, demonstrations, protests and civil wars in North Africa and the Middle East that initiated on 18 December 2010 in Tunisia with the Tunisian Revolution.

On December 17, 2010 in the City of Tunis, a street vendor, called Mohamed Bouazizi, killed himself as a way of protest because the police stripped him of his merchandise and savings accounts.

the industrial development of cities in the ruhr area in the nineteenth century is described. the research was based on english and german language sources. several factors that shaped growth and paths of the cities were categorized and analyzed. they are locations, resources, traditions, entrepreneurs, and technological developments. locations and resources were the most important among them; other factors may be regarded as consequences from locations and resources. among the cities, bochum, essen, gelsenkirchen, and dortmund had the richest resources and most favorable locations in the transportation network and grew to be the largest cities in the ruhr area near the end of the nineteenth century. riverside location was also a favorable factor for the development, as shown in the development of duisburg on the confluence of rhine and ruhr. resource distribution can explain the rise of textile industry, metallurgical industry, and coal and iron industries, and the northward progression of the mining industry. tradition was an important factor for cities such as krefeld, barmen, elberfeld, solingen, and remscheid, which experienced development based on their traditions through the nineteenth century. various entrepreneurs exerted influences within and beyond the local level over the ruhr area. technological development stimulated the northward progression of the mining industry and the deep connection between the coal and the iron industries.

a historian is attempting to study how the puritans affected society in new england