Study this source carefully. It contains information that could be useful in your presentation. As you study the source, ask yourself:

• What is the longest amount of time a division spent in the front line during the battle?
• Why do you think some units spent longer than others?
• In the second phase of the battle, what happened to a unit that had spent a lot of time in the front line during the first phase?
• Will you use this source in your presentation?