Title: Royal Dutch Shell.
Question: In what year did Shell agree to settle the lawsuits filed in 1996?

Title: Slavs.
Question: Who searched for specifically Slavic sub-group of R1a1a [M17]?

Title: Geography of the United States.
Question: Which of the Great Lakes is entirely located in US territory?

Title: Wayback Machine.
Question:
The omission of what element in screenshots can make them unreliable as evidence?