Congress had decided that once a slave traveled into a free state, they were free and they could never be enslaved again. But in the Dred Scott decision, they changed their mind and people no longer had to honor "once free, always free."
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Answer:
Pericles
Explanation:
Between 463 and 461, Pericles worked to prosecute and eventually ostracize Cimon for allegedly betraying Athens and emerged as the leader of Athens' democratic party. In 454 he led a successful military campaign in Corinth and sponsored the establishment of Athenian colonies in Thrace and on the Black Sea coast.
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Plato rejected Athenian democracy on the basis that such democracies were anarchic societies without internal unity, that they followed citizens' impulses rather than pursuing the common good, that democracies are unable to allow a sufficient number of their citizens to have their voices heard.
The main policy changed between presidents but a lot of it was containment of the spread of communism and some intervention against soviet backed coups such as Vietnam and places in Africa such as the Congo and the third was supporting EE countries and leave them open for influence by western powers and democratic powers
The PPC (or PPF, same thing) shows economic growth because it outlines exactly what the economy can produce at that moment. When it shifts outward in any way (be it towards consumer and capital goods, or X and Y), that MUST be because of economic growth.