The answer is: C
This is because the graph indicates the sharp decline of the rural population, due to in large part to the increase in urbanization and the ever-growing industrialization of the United States throughout the decades.
As such we can analyze that, as the years go by the population trends to move to urban areas in place of rural ones.
The trade happens through the trade blocs that were put in place.
Explanation:
Communist regimes that are not economically liberalized still trade with the world through their trading blocs.
These are governmental institutions designed so as to allow for trade to happen in the country and through the country.
These trade blocs deal directly with the companies of free trade nations where the government in itself trades very rarely as is the case with the US.
Thus the dealing is usually with the government directly.
If you meant Denton Cooley, he was the first person to implant an artificial heart in 1969.
In general, President Abraham Lincoln appointed Ulysses S. Grant to lead the Union armies after firing other generals because "<span>C. Grant was willing to outlast the enemy even at the cost of high casualties"</span>