Question

What is the main economic activity of the Great Plains?

O Lumber and shipbuilding
O Fishing
O Agriculture and mining
O Trade with Europe

Answer 1

The answer is agriculture and mining.

Step-by-step explanation:

Agriculture. Agriculture became the dominant industry of the American Great Plains and Canadian Prairies during the second half of the nineteenth century and the early decades of the twentieth century. Farming operations had, of course, been carried on in some parts of the Plains for many years.

Hope that helped.