The Monroe Doctrine was issued by President Monroe in 1823. At the time, the United States was not powerful enough to enforce the proclamation. When President Monroe issued the Monroe Doctrine he was merely describing an ideal world envisioned by the United States, where the Western Hemisphere could no longer be colonized by Europeans.
The answer is b.
Cover crop roots hold the soil in place, protecting soil from wind erosion. Cover crops can also protect soil from the impact of heavy rainfall and runoff. Reduced erosion protects and improves water quality by keeping ag chemicals in the ground and out of drainage water.
Answer:
As the North industrialized rapidly between 1820 and 1860, railroads helped create --and prospered from -- the rise of factory production and diversified large-scale agriculture. In the South, railroads played a marginal role in the cotton and tobacco economy.
The correct answer is B, as the winner of that election was the United States first African American president, Barack Obama.
During WW2, the Axis Powers consisted of Germany, Italy, and Paris. Germany was ruled by Adolf Hitler, Italy ruled by Mussolini, and Japan by Hirohito. They were opposed by the Allied Powers, USA, UK, France, and Russia.
