The correct answer is <span>Although Union troops greatly outnumbered Confederate troops, it took months for the North to achieve victory.
The Union had more than a double the amount of army that the Confederacy had and they still couldn't enter Petersburg easily with the siege lasting for over 9 months. It wasn't a classic siege but rather a form of trench warfare where they couldn't move towards Petersburg even though they greatly outnumbered the confederate forces.</span>
