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After the war of 1812, the United States experienced a surge of NATIONALISM, or love of country.
The victory in the War of 1812 had a high psychological impact for American society, in a positive way. It was a kind of "confirmation" of the independence obtained before the same rival, to which he had once again managed to win. Nationalism and patriotic sentiment were on the top during that time.
The end of the war marked the beginning of the Era of Good Feelings, which passed between the presidencies of Jefferson and Andrew Jackson, in which there was a great economic growth of the country.
When dopamine levels are elevated this reward pathway reinforces the use of the drug.
Dopamine is an organic chemical that is produced in our bodies, and is related to reward-motivated behavior.
The anticipation of most types of rewards increases the levels of dopamine in the brain, and many drugs also increase dopamine as well as blocking its reuptake into the neurons follow release.
A quickly again population: China is going to be the first major economy to go dull before if gets rich, putting huge strains on people in the working age who are going to have to pay for health care and pensions for a disproportionate number of elderly citizens who do not work. For a nominally socialist county, the weave for china's social safety is very loose and horribly frayed in some parts. Most notably their healthcare system. This can be often cited as a major cause of the pretty high savings rate. Something that often chockes off consumption and adds to the imbalance in China's economy.