Answer: The Jutes
Explanation: One of the Germanic tribes that landed in the United Kingdom after the Romans departed
The three characteristics that historian Doris Kearns Goodwin believes were essential to the success of the 32nd President Franklin Delano Roosevelt were trust, optimism and communication.
Roosevelt exhibited these traits in that he came to power at a difficult time, when the Great Depression crippled the economy and negatively impacted citizens' hopes.
It was through his actions such as the creation of the New Deal, a project of high investment in the economic realignment of the USA, with the construction of schools, hospitals, hydroelectric plants and airports that he showed confidence and optimism in the country's future.
He also displayed communication skills by being the main spokesperson for the American people through the Atlantic Charter, which instituted a post-World War II vision, assuring values of freedom and peace.
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<em>Baruch S. Blumberg invented </em><span><em>a vaccine for smallpox for which he won noble prize in 1976.</em></span>
The way in which state governments restricted the vote of African Americans after the American Revolution was through the imposition of discriminatory clauses such as poll taxes, by means of which it was impossible to grant people with fewer resources; literacy tests, by means of which only people with a certain level of education (who were generally only white) could vote; and the demands that the ancestors of the voter be free, which meant that the vast majority of African Americans could not meet this requirement.
These requirements were clearly unjust, discriminatory and unconstitutional, since they violated the freedoms of these people and their right to equality, which in turn are part of the very essence of the United States as a nation.
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