Answer:
a social class comprising those who do manual labor or work for wages; "there is a shortage of skilled labor in this field"
Explanation:
A Glacier is a sheet of ice that moves slowly over land.
The Agricultural Revolution paved the way for the Industrial Revolution. As wealthy landowners bought and enclosed farmland, many people were forced to become TENANT FARMER or move to the cities. The Industrial Revolution began in the TEXTILE industry. Newly invented machines such as the SPINNING MACHINE helped increase the rate at which yarn and thread were made. Industrialization increased the demand for cotton as well. This led to Eli Whitney's invention of the COTTON GIN.
