Answer: The counterculture of the 1960s was an anti-establishment cultural phenomenon that developed throughout much of the Western world between the mid-1960s and the mid-1970s.
Explanation:
The movement took on a broad social frame in the period above. The move has raised many questions that have been sought through generational lines concerning human sexuality, women's rights, traditional modes of authority, experimenting with psychoactive drugs, and different interpretations of the American dream. During this period, other movements emerged that addressed similar issues. The counterculture era began with the severe assassination of John F. Kennedy in November 1963.
Race is the key to the history of nations and the rise and fall of empires.
O'Sullivan found an argument to justify future US expansion into the Americas: it was "obvious." Actually, look at the map. It is clear that Americans should own all territories. So extension justifies extension (automatic alignment). It's like waves. No one can resist America.
The link John L. O'Sullivan sees between the manifest destiny and the idea of American liberty is that with expansion there would be more land for the nation's people, and far more room for industrialization and harvesting.
John O'Sullivan believes America stands for progress, individual liberty, and universal suffrage.
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They brought back golds and silvers