Which was an advantage for the north at the start of the civil war?
a. it was fighting a defensive battle.
b. it had cotton it could sell to europe.
c. it had a longer coastline.
d. it had a larger population.

D. It had a larger population.

Explanation: The Union had the large population, people to fight in the war and work in the factories to make war materials. The North also had the industrial base, the factories to make these war materials. The Union also was wealthier than the Confederacy and could finance the war.

Reminder: North has always lots of people and really cold

South has less people in the economy, poor stuff and cash crops.

explanation:

japan participated in world war i from 1914 to 1918 in an alliance with entente powers and played an important role in securing the sea lanes in the west pacific and indian oceans against the imperial german navy as the member of the allies.