What ecological factor made agriculture difficult on the Great Plains in the 1930s?
A. wild plains grasses B. insuffient rainfall
C. muddy conditions

B. Insufficient rainfall.

Explanation:

The great plains typically has a very dry climate, which make it hard for the area to retain water source.  This make it hard for plants to survive.

Farmers in these area can't do anything else beside relying on rainfall in order to maintain their agricultural production. During the 1930s, very little rainfall pour down in this area, causing massive agricultural failures in this period.

explanation:

these are the geographical features of the gupta empire.

1)it inherited the land owned by the mauryan empire.

2)one obvious difference between the two empires is that the gupta empire was smaller that the mauryan.

3)the gupta empire is located in the northern region of the subcontinent underneath the himalayan and hindu kush mountains.

the gupta empire, marked by extensive inventions and discoveries that contributed to hindu culture, in subjects such as science, technology, engineering, art, dialectic, literature, logic, mathematics, astronomy, religion, and philosophy.

this period was also known as the golden age of india