A) Primary Source since that person experienced that event directly
The change in the understanding of the natural world and human society was led by the concepts like Renaissance and Reformation in the early modern period.
<h3>Who were Europeans?</h3>
Europeans were those people who lived in Europe such as french, dutch, Portuguese, Britishers, Danes etc who came to trade and acquire the territories of the other nation in order to establish political power.
Renaissance led to the rebirth of the European civilizations which had the impact in the modern era in terms of politically, socially and economically. Industrial revolution took place in Britain which was followed by the french revolution in 1789.
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<span>The United States agreed to leave over a sixty day period.
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Faced by numerous criticism from the Doves,Nixon had to come up with an exit strategy. USA agreed to leave south Vietnam,despite the fact that there was no commitment from the side of the communist regime in North Vietnam.this was evidence in the fact that even after the withdrawal of the USA forces,fighting continued and less than two years later, Saigon fell to communist forces.
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<span>These statements best describe elements of "Gothic Architecture" although it should be noted that these elements existed elsewhere as well. </span>