What strengths and weaknesses have you noted about the unions involvement in the civil war

Population of 22 million
Many people to grow food and work in factories
Factories to make supplies for the Union army
Railroads
Strong navyDefending their homeland
Did not want to lose their property, country, freedom
Good soldiers-excellent shooters
Former officers in the U.S. ArmyWeaknessesHad to conquer a large area
Invading unfamiliar landFew factories to produce weapons
Few railroads to move troops/supplies
Few supplies
Small population (9 million)
More than 1/3 of the population was enslaved
Poor navy

Bis your correct answer