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Musa I (1312-1337), commonly referred to as Mansa Musa, was the tenth mansa, which translates as "king of kings" or "emperor", of the Empire of Mali. At the time of Musa's accession to the throne, the Malian Empire consisted of territories formerly belonging to the Ghanaian Empire and Mali and surrounding areas, Musa obtained many titles, including Emir of Mali, Mines Lord of the Uangaras, and conqueror of Ganata, Futa Jalom, and at least another dozen states. He was recognized as the richest man in history.
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The Roosevelt corollary was an addition by President Theodore Roosevelt to the Monroe Doctrine. According to the Monroe Doctrine, Europeans could not intervene on the American continent; the Roosevelt Corollary provided that the United States had priority to intervene against foreign interventions.
The Roosevelt Corollary was theorized after Germany and the United Kingdom threatened an armed intervention in Venezuela in 1902 due to financial issues, only to submit to the Permanent Court of Arbitration, under pressure from Roosevelt himself, and after thirty-two countries claimed the payment of $ 32 million in debt from the Dominican Republic.
Only 600 were left standing in what was one of the costliest battles in the pacific front. The japanese were the most affected with heavy casualties and suicide cases.
The movable type was invented around AD 1040 in China during the Song Dinasty. It was a way of printing in which movable elements were used to reproduce documents, usually on paper. It had a great influence on learning if we consider that paper books could be printed and spread to different places