All public swimming pools should have a lifeguard on duty because not everyone can swim or someone may have an accident. The life guard who can swim should be on watch to keep those accidents from happening and prevent people drowning.
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Answer:
Lyle Denniston, the National Constitution Center's adviser on constitutional literacy, examines two constitutional provisions at the heart of a new controversy over who controls the right to vote.
Explanation:
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The correct answer is B. Lyndon B. Johnson - Civil Rights Movement.
Explanation
Lyndon B. Johnson (1908-1973) was an American politician and leader who stood out for being provisional president of the United States after the assassination of JFK (1963) until 1969. As a political leader, he stood out for his struggle in favor of civil rights especially racism. Another of his efforts was to help the poor who benefited from the Income Law and the Economic Opportunity Law. So the correct answer is B. Lyndon B. Johnson - Civil Rights Movement.
This is known as the Columbian Exchange; option A. This includes for example Coffee and Chocolate (the plants); which are today to a great degree cultivated in a continent different than the one they originally evolved on.
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