C. The increase in the use of coal as a source of heat and energy
It is true that President Lincoln thought his speech was a failure.
. . . that would be a <u><em>clipper ship</em></u>
this would be a larger vessel meant for traveling long distances quickly & smoothly resulting from it's construction using a narrow/streamlined body & large sail spread to catch the wind.
The type of economic system when government owns the factors of production, answers the question of who, what and how to produce, and eliminates choice and competition is called a command economy. It is the opposite of a market economy.