b. the interest of European nations in creating colonies in North and South America
Explanation:
- Monroe's doctrine was America's policy of opposing European colonialism in America beginning in 1823.
- In 1823, US President James Monroe rebelled against the intervention of European countries on the American continent.
- The doctrine said that further efforts by European states to seize control of any independent state in North or South America would be seen as "a manifestation of a hostile attitude toward the United States."
- At that moment, directed against the interventionist intentions of the Holy Alliance of European Powers towards the former Spanish and Portuguese colonies in South America, that policy later became "America to Americans" and gained a strong national character.
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Explanation:
The art and books were similar as they were inspired by the Southern books. So, they had very similar literature as a result of this.
The correct answer is: frontier farming became easier because there were new tools that helped break the soil faster. However, even though there were many useful tools for farming, it was also difficult for people to get a job since the machines were taking their places.
For example, there were new machines such as farming with windmills, steel plows and reaping machines which made harvesting quick and easy.
Nevertheless, it was hard for farmers to pay for these tools and put them in debts. They dealt with economic problems as crop prices dropped and their debts grew.
During the Cold War, and in the past decade, U.S. policy often viewed nuclear weapons apart from the rest of the U.S. military establishment, with nuclear weapons serving to deter a global nuclear conflict with the Soviet Union or Russia.
Nine out of 10 workers on the transcontinental railroad were Chinese. These indentured laborers, derogatorily called "coolies," became a prime target for criticism in the mid-19th century