The answer is B.
The primary positive effect of the Columbian exchange was the introduction of New World crops, such as potatoes and corn, to the Old World. The most significant negative effects were the transmission of African populations into slavery and the exchange of diseases between the Old and New World.
An event that illustrates the changing perceptions of authority within the United States in the 1960s and 1970s is; The Civil Rights Movement led by Dr. Martin Luther King Jr. epitomizes the societal shifts that occurred throughout the 1960s and 1970s. As a furious orator who could sum up the revolutionary energy of the 1960s and challenge America's moral fabric, I selected Martin Luther King Jr.
This is further explained below.
<h3>What is
Civil Rights Movement?</h3>
Generally, During the 1950s and 1960s, African-Americans engaged in a civil rights movement to demand fair treatment and equal rights. Among those leading the charge were MLK Jr., Malcolm X, and the Little Rock Nine.
In conclusion, The Civil Rights Movement, which was led by Dr. Martin Luther King Jr., is an event that exemplifies the societal shifts that occurred throughout the 1960s and 1970s in the United States. This movement is an event that illustrates the changing perceptions of authority that existed in the United States during the 1960s and 1970s. Martin Luther King Jr. stood out to me as a fiery orator who was able to encapsulate the revolutionary spirit of the 1960s and pose a challenge to the moral fiber of the United States.
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It's a type of fossil specifically called a 'Cast.'
