D.
They have no competition and so can charge whatever they want.
The answer should be Macedonia
Answer:
Slavery in the colonial history of the United States, from 1526 to 1776, developed from complex factors, and researchers have proposed several theories to explain the development of the institution of slavery and of the slave trade. Slavery strongly correlated with Europe's American colonies' demand for labor, especially for the labor-intensive plantation economies of the sugar colonies in the Caribbean, operated by Great Britain, France, Spain, and the Dutch Republic .
Explanation:
Actually the real answer is the second and first world war pouring money into the us economy for output. If that is not an option it would be the invention of the steam engine and the 1800's locomotive industry.
Answer:
Adams supported efforts to promote the growth of business, while Jackson supported efforts to help the ordinary man and supported the idea of high tariffs to increase revenue, but Adams wanted to end high tariffs