Look at the data in the following table, which is based on british census records. population of england year population (millions) 1801 8.3 1811 9.4 1821 11.2 1831 13.0 1841 14.8 1851 16.7 which two sentences describe a major cause and a major effect of the population changes shown in the table? laborers migrated in large numbers from rural to urban areas. most farmers stopped raising livestock on their farms. laborers migrated from overcrowded cities to the countryside. the production of grains, milk, and meat increased steadily. the amount of land available for agriculture increased rapidly.