The answer is A. Imagine the 3 in 13 as a handcuff and the 1 as the key unlocking it
The poor standing of Leopold the 2nd is most probably attributed to the role he had in the extermination of huge amounts of people in Belgian colonies at the time. This wasn't known at the time, but today we known that Leopold the 2nd had ordered a genocide over the Congonese people.
Hi!
I don't know your options, but I have some suggestions:
if not all the facts have been discovered yet, then the historians will have a hard time interpreting the facts, They will also have a hard time understanding the causes of the events (since they are missing some information)
At the beginning of the 19th century, most Americans had no idea what lay beyond The Mississippi River.