The answer to the question is A.
According to the statement above: "These explorers ventured into the Louisiana Territory in 1803 and became the first U.S. citizens to navigate their way westward to the Pacific Ocean."
The answer is: Louisiana Purchase.
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Answer:
1. When touring Boston in 1976, Queen Elizabeth II addressed an adoring crowd from the same balcony.
2. On March 5, 1770, the Boston Massacre took place outside the building’s Devonshire Street entrance.
3. . In 1776, after the Declaration of Independence was proclaimed from the east balcony by Colonel Thomas Crafts, the unicorn and lion, symbols of British authority, were torn down from the façade and tossed into a bonfire on King Street.
His experiences as an excellent actor was also responsible of his charisma as he served as the president.
He was not born "in a bed of roses" and despite of that, he became an outgoing and an optimistic person. Ronald Reagan's political beliefs can be attributed to his experiences when he was young.