The steam engine took place in the industrial revolution, which began in the second half of the eighteenth century in the Kingdom of Great Britain.
This significantly transformed the economy, technology, agriculture and trade, because with the arrival of the steam engine the work was industrialized and mechanized
The answer is a. necessary and proper. (i'm not positive that that's correct but that's what i would put.
D.) Harry S. Truman
That excerpt was from the Truman Doctrine
One of the biggest empires in world history!
