Answer: 4- large-scale economic growth that resulted in the rise of big business
Explanation:
The Transcontinental Railroad allowed for goods to be transported across great distances and to previously inaccessible areas thereby increasing trade and contributing to economic growth. It led to the rise of the great and powerful Railroad companies.
The Bessemer process made it much more easier to produce steel and as a result led to the rise of the first business to be worth over a billion dollars in the US, the mighty US Steel. The increased volume of steel production aided economic growth as steel was a very sought after commodity.
The three most important foreign policy issues facing the United are
Security,Prosperity ,Creation of a better world
<h3>United State Foreign Policy</h3>
The United state is facing challenges today with it foreign policy today because the foreign soils are not stable hence policies can change at any time, another reason is that these policies can be expensive to enact.
Learn more about United State Foreign Policy here:
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We the People of the United States, in Order to form a more perfect Union, establish Justice, insure domestic Tranquility, provide for the common defence, promote the general Welfare, and secure the Blessings of Liberty to ourselves and our Posterity, do ordain and establish this Constitution for the United States