Which of the following was an advantage for the north at the start of the civil war?

a. a larger population
b. a well-led army
c. enslaved workers
d. a fighting spirit

The correct answer is A. A larger population.

Large population was an advantage to the north on the start of civil war.

Some other advantages of the north on the start of civil war include;

1. They had many people where some worked in factories too make supplies and others they grew food.

2. Large part of their nation was rail line.

3. They had large fleet and strong navy and ships for private trading.

The purpose of the civil war in the north was to end slavery and to preserve their union.