Mansa Musa was the emperor of Mali who transformed Timbuktu from a dusty desert village into a dazzling center of trade, culture and learning known as the "Pearl of Africa". The correct option among all the options that are given in the question is the third option or option "C". I hope the answer helps you.
<u>The period in which the greatest economic or technological progress that occurred in the United States was between the end of the 19th century and the first half of the 20th century</u>. <u><em>During this period, the country went from being a simple agricultural economy to the first industrial power in the land</em></u>.
<u>It was in the second half of the nineteenth century when the first manufactures were created with imports of skilled foreign labor from England.</u>
<em><u>The answer is</u></em>: <u>A. Britain supplied a market for American manufactured goods</u>.
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The Mongol invasions of Japan (元寇 Genkō), which took place in 1274 and 1281, were major military efforts undertaken by Kublai Khan to conquer the Japanese archipelago after the submission of Goryeo (Korea) to vassaldom. Ultimately a failure, the invasion attempts are of macro-historical importance because they set a limit on Mongol expansion and rank as nation-defining events in the history of Japan.
There were two main reasons why Bush's approval ratings fell at the end of his presidency, the first being that the wars in Iraq and Afghanistan were wildly unpopular, and the second being that the US economy was struggling.