Answer: Petroleum, Electricity and Steel
Explanation: The second industrial revolution is a period between the late 19th to the early 20th century which is characterized by massive growth and expansion of industrialization. The second industrial revolution is also known as the technological revolution most notable for steel production, expansion in electrification which was previously limited to very few cities and development of Petroleum and gas supply.
General Washington moved his troops into New York.
At this time he was not yet president, only a general. This action ushered towards his later presidency.
I'm going to assume you are asking how many, and Between 1845 and 1855 more than 1.5 million adults and children left Ireland to seek refuge in America.