The decline in population.
D. Competition among rival states
papal efforts to unite western European rulers and nobles in support of the papacy.
The eleventh century economic downturn in population and farmland mainly came about as a result of the plague. The reduction in population meant there were less people to work the farms. As a result the system of feudalism fell and there weren't enough people left to farm the lands.
The Romanesque style of cathedral-building spread throughout western Europe during the eleventh century and half of the twelfth century... Page 327, The west encounters and transformations
The population decline in the second half of the eleventh century in Western Europe was mainly due to factors like invasions, warfare, and disease outbreaks. Additionally, the reduction in farmland was a result of poor harvests, soil degradation, and land concentration in the hands of the elite. These factors together contributed to the economic downturn during this period.
The "eleventh hour of the eleventh day of the eleventh month" of 1918 was when the armistice was signed between the Allies of World War I and Germany at Compiègne, France, for the cessation of hostilities on the Western Front of World War I.
American styles of art and literature emerged due to the changes to western society in the 19th and 20th century. These changes are also known as modernism.
In the early nineteenth century, life in the western territories was characterized by
It was supposed to be the Armistice ending World War I. In practice, while it did effectively end hostilities along the "Western Front", fighting continued for some time in the former Russian Empire and in parts of the Ottoman Empire.
Economic and cultural changes.
The fifteenth century
commemorated every year on 11 November to mark the armistice signed between the Allies of World War I and Germany at Compiègne, France, for the cessation of hostilities on the Western Front of World War I, which took effect at eleven o'clock in the morning---the "eleventh hour of the eleventh day of the eleventh month" of 1918.