Problem: The 1797 Treaty of Campo Formio was signed by Napoleon Bonaparte of France and Count Ludwig von Cobenzl of which country?
Answer: austria

Problem: Who collaborated with Karl Marx to produce 'The Communist Manifesto' in 1848?
Answer: frederick engels

Problem: The majority of the Mohave Desert is located in which state?
Answer: california

Problem: Which British artist's most famous works are The Shadow of Death and The Scapegoat?
Answer:
william holman hunt