........was connected to the great lakes by the opening of the Erie Canal.
Answer:
The answer is agriculture and mining.
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.
Answer:d
Explanation:
I just did the same test and that the answer
Answer you're looking for is A. Disease epidemics during peacetime have resulted in more deaths than history's major wars