Answer: A) Climate
Explanation: Until the mid-20th century the largest impediment to trade between area "1" and area "2" on the map was climate. The Sahara Desert was a major impediment to trade. True, there were Trans-Saharan trade routes for centuries, but there is no denying that the desert was an inconvenience at the very least.
a state in which supreme power is held by the people and their elected representatives, and which has an elected or nominated president rather than a monarch.
the peace which existed between nationalities within the Roman Empire.
government by a dictator.
a large bag made of a strong material such as burlap, thick paper, or plastic, used for storing and carrying goods.
Explanation:
Coal is the leading culprit of air pollution in China. 75% of the premature deaths are caused by the 152 coal-fired power plants in Hebei Province. ... Air pollution will remain a serious problem in China as long as coal continues to be the country's major energy source.
It is determined by the amount of THC
Rio Treaty of 1947 was a defense agreement between the North America and South America.
<h3>What is the
Rio Treaty 1947?</h3>
The treaty was essentially an agreement that binds the republics of the Western Hemisphere together in a mutual defense system.
Hence, the countries of North America and South America entailed the Western Hemisphere.
Therefore, the Option C is correct.
Read more about Rio Treaty
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