Read the summary.
the chinese invented gunpowder, which was pivotal to creating weapons that would kill great numbers of people (1). the chinese also invented the compass, which greatly improved navigation and exploration (2). lastly, the chinese invented a republic democracy (3), allowing citizens to vote for governmental leaders.
which critiques the factual accuracy of the summary?
while parts (1) and (2) are accurate, part (3) needs revision.
while parts (1) and (3) are accurate, part (2) needs revision.
while part (2) is accurate, parts (1) and (3) are need revision.
while part (3) is accurate, parts (1) and (2) need revision.