How did the Fourth Crusade Contribute to the Byzantine Empire’s downfall? A. It caused the death of the most able and respected Byzantine Empire, Leo III.
B. It left Constantinople permanently damaged after the crusaders looted its valuables.
C. It led to large-scale conflicts between the Byzantine civilians and military forces.
D. It unleashed a terrible plague on Constantinople, drastically reducing its population.
E. It showed Byzantine subjects incompetence and cowardice of their rulers.

1920 census

the census was scheduled for january the 1st, as the government believed that more farmers would be in their homes by that time instead of april. the census did not ask about unemployment, the number of children, and how long was a couple married were not taken into consideration. individuals were considered as residents of the places they normally slept, not the places were they worked at or visited.

2010 census

the census was scheduled for april 1st, 2010. it was the shortest census in history: it only contained 10 questions related to name, age, gender, ethnicity, relationship, and whether the citizen owned a home or rented one. the government launched a website in order to provide the citizens with information regarding the census. there were also "teach census weeks" in schools nationwide.