Question

at the start of the civil war
the south had a massive reserve of cash.
the south had more combat-age males.
the south had more and better railroads.
the north was unified by a commitment to end slavery.
the north had a much more substantial economy.

Explanation:

To solve this, we analyze each option:

• "the South had a massive reserve of cash": False, the South had limited cash reserves.
• "the South had more combat - age males": False, the North had more combat - age males due to a larger population.
• "the South had more and better railroads": False, the North had more and better railroads.
• "the North was unified by a commitment to end slavery": Initially, the North's main goal was to preserve the Union, not just end slavery.
• "the North had a much more substantial economy": True, the North had more industry, infrastructure, and a larger economy overall.

Answer:

the North had a much more substantial economy.