Why do expositions and fairs have themes or zones?

Why did the pilgrimage churches undergo large scale building projects? a. to accommodate the rising number of visitors b. to provide a clearer path for communion c. to appear more like a cross d. none of the above

Is the name that historians use for the time period beginning around 476? a. baroque b. rococo c. the renaissance d. the middle ages

Bartók decided to leave hungary during a. world war ii. b. the french revolution. c. the late twentieth century. d. the impressionist movement.