Answer:
Sectionalism increased steadily in 1800–1850 as the North industrialized, urbanized and built prosperous factories, while the deep South concentrated on plantation agriculture based on slave labor, together with subsistence farming for poor whites who owned no slaves.
This was caused by the bubonic plague also known as the 'black death'.Disease from flies that were on rats cause the population to wipe out.
Answer:
Sever loss of infrastructure, loss of factories to produce goods and debts caused by the wars led to a huge downturn in rebuilding efforts after World War 1.
Explanation:
I believe the answer would be C, burning fossil fuels. Oil and gas is made up of the remains of microscopic plankton. Over millions of years the remains become the carbon-rich coal, oil and gas we can use as fuel. When fossil fuels are burned they release carbon dioxide into the atmosphere, thus contributes to global warming.
After the explosion of the USS Maine, the US public was whipped up into an anti-Spanish hysteria. Despite Spain's desire to avoid war and President William McKinley's distaste for war, the yellow press continued feeding the public's appetite for anti-Spanish news. Hawks like then-Assistant Secretary of the Navy Theodore Roosevelt loudly criticized the reluctant McKinley for being weak and afraid.