Question

Babylon was in the heartland of Mesopotamia, the site of the First Agricultural Revolution (1). Based on cuneiform writings on clay tablets, researchers know that farm products included sesame, barley, and dates, as well as cattle and sheep (2). Farmers invented steel plows for farming (3), and soldiers used steel weapons for protection (4).
Which critiques the factual accuracy of the summary?

While parts (1) and (4) are accurate, parts (2) and (3) need revision.

While parts (1) and (2) are accurate, parts (3) and (4) need revision.

While parts (3) and (4) are accurate, parts (1) and (2) need revision.

While parts (1) and (3) are accurate, parts (2) and (4) need revision.

Answer 1

While parts (1) and (2) are accurate, parts (3) and (4) need revision. 
It is not a fact that soldiers used steel weapons for protection, neither did the farmers plow with steel plows.