Why did the north lead in production at the turn of the century? a. the middle atlantic states were just starting to industrialize. b. the north had the most plentiful work source and factories. c. the west only had a few resources for industrial growth. d. the south focused on cotton only.

B. The north had the most plentiful work source and factories.

The North was the hub for immigrants arriving to the US providing a large number of unskilled workers. The area was also first to create factories during the Market Revolution in the early 19th century. Waterways and access to resources allowed for the North to create factories. Limited farmland forced Northern cities to create a manufacturing-based economy.

b

explanation:

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.