A) Henry Ford is known as the father of the modern assembly line.
Because of this invention, the Ford Model T was inexpensive and was extensively bought by the middle-class people
hope this helps
The Second Great Awakening attracted hundreds of converts to new Protestant denominations thus led to a period of antebellum social reforms and emphasis on salvation by institutions. The awakening enrolled millions of new members leading to the formation of new denominations. The awakening was a reaction against deism, skepticism, and rational Christianity through evangelism.
They mostly grew wheat, barley, oats, rye, and corn. because of this, they were basically known as the "Breadbasket". So I believe your answer would most likely be wheat.
My guess would be the first one , 1830 , Hope it’s the correct answer ! :)
