The soviet union is an extremely dangerous and sketchy country.
Answer: Many religions have holidays in order to celebrate special moments in their history or to take time to partake in their beliefs. An example is the Day of the Dead worshiping their ancestors through offerings and Christmas celebrating Jesus's birthday.
A. pieces of information. Kinda.
Information is what is built out of data when people add meaning to it.
But if you wanna know how tall people are, The fact that I'm 65 inches tall is a data point. It's sort of useless without a question or a trend (I'm taller than I was as a kid!)