Three causes for the emergence of large cities in china during the early twentieth century were

The correct answers are A) foreign imperialism C) rise of industry and commerce and D) development of an intellectual class.

Three causes for the emergence of large cities during the early 20th century were foreign imperialism C) rise of industry and commerce and D) development of an intellectual class.

Large cities emerged in China in the 1900s due to a series of factors. One of the factors was the rise of industry and commerce. Mass production attracted many Chinese people from the country to the cities where the fabrics were. This increase the population in urban areas. The development of an intellectual class contributed to the population in the cities. More Chinese people were interested in better education to get better living conditions. Foreign imperialism was the last factor that impacted larger cities.

The other options of the question were, b) stopping of foreign trade and e) isolationism.

the causes of the dust bowls were severe droughts,   lands became dry and hard, temperature was higher than usual, hot and dry conditions killed crops, high winds. because of those factors, the winds kicked up dry soil and created clouds of dust.