One of the keys to the second Industrial revolution starting was when new
methods for producing steel in large quantities was created.
True
False

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.

d. both had been uninhabited before settlers arrived.