This is The Social Learning. This type of learning occurs when we see and imitate behaviors performed by others around us. Learning becomes stronger if the imitated behavior is also reinforced through praise or rewards when doing it. Over time the behavior will no longer be imitated, if not adhered to as one's own. This usually happens with traditions.
Answer:
B. the mining and meat packing industries developed
Explanation:
With the expanding of the railroad lot of industries flourished, including the mining and the meat packing industries. The reason for that was that the railroads managed to connect all the major cities and the part of the country, also enabling for much quicker movement of the goods from one place to another. Since this became possible, the industries quickly developed as they were able to sell their products on much larger distances with this new method of transportation, soon becoming one of the major and most profitable industries.
Fluency. Because if the mother is the one closer to the child and speaks more often to the child. Also she may sing lullabies to the baby in their local dilect