The mountain ranges on Southeast Asia’s mainland shaped the history of the region because the mountains.
A. separated the mainland from the rest of Asia and isolated early societies.
B. created a climate that was favorable for growing spices.
C. blocked the passage of the summer monsoons.
D. accumulated fertile soil where deltas formed on their peaks.
C
B
B
A
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To determine the correct answer, we need to analyze each option and eliminate the ones that do not accurately describe the impact of the mountain ranges on Southeast Asia's mainland.
A. The statement that the mountain ranges separated the mainland from the rest of Asia and isolated early societies is accurate. The mountain ranges in the region, such as the Himalayas and the Annamite Range, acted as natural barriers, restricting communication and interactions with neighboring regions. This isolation allowed for the development of unique cultures and societies in Southeast Asia. Hence, option A is a relevant explanation for how the mountains shaped the history of the region.
B. The statement that the mountains created a climate favorable for growing spices is incorrect. While the climate of Southeast Asia has contributed to the growth of spices like cinnamon, nutmeg, and cardamom, it is not solely influenced by the mountains. Factors such as rainfall, temperature, and soil conditions play a more significant role in determining suitable conditions for spice cultivation. Therefore, option B is not a valid explanation for how the mountains shaped the history of the region.
C. The statement that the mountains blocked the passage of the summer monsoons is not entirely accurate. The mountain ranges do have some influence on monsoon patterns by causing localized variations in rainfall, but they do not entirely block the passage of monsoons. The complex interaction of the mountains, ocean currents, and wind patterns determines the monsoon climate of Southeast Asia. Therefore, option C is not a suitable explanation for how the mountains shaped the history of the region.
D. The statement that the mountains accumulated fertile soil where deltas formed on their peaks is also incorrect. Deltas form at the mouths of rivers when sediment carried by water accumulates over time. Mountains do not typically have this accumulation of fertile soil on their peaks, and it is more related to the river systems and their interactions with the surrounding land. Thus, option D does not accurately explain how the mountains shaped the history of the region.
Based on the analysis, the correct answer is:
A. The mountain ranges on Southeast Asia's mainland shaped the history of the region because they separated the mainland from the rest of Asia and isolated early societies.