Explain the effectiveness of the oxybeles

The oxybeles was a weapon used by the Ancient Greeks starting in 375 BC.

Explanation:It was a giant crossbow weapon that helped break boats or gates.With giant arrows.

1. The reader must have a basic background about the topic that is being discussed. If not, then the likely chances of them understand will be little to none. 

2. Elaborate on who these 'new citizens' are, so far I know nothing about this topic.

3. Primary sources give the person a steady ground to understand said topic and have a better outcome of factual information.

4. They help make the argument because of factual evidence that can be used to counteract the biased/nonbiased POV of the reader(s).