Answer: They did not adequately protect Ethiopia.
Explanation:
Emperor Haile Selassie of Abyssinia (modern day Ethiopia) was forced to flee his country when Italy under Mussolini invaded it in 1935 as part of Mussolini's plans to gain more colonies in Africa.
Abyssinia was a member of the League of Nations and expected the League to sort the matter out. The League responded by imposing sanctions on Italy but the main member states such as Britain and France made deals with Italy and undermined the blockade.
Italy completely conquered Abyssinia and this disappointed Haile Selassie who thought that the League would have done more to protect a member state from agrresion.
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The Monroe Doctrine was elaborated by John Quincy Adams conferred by the president James Monroe in 1823, and according to the doctrine, some examples about the application of it were the situation of central and South America revolution which in opposition of the Spanish rules it was possible to reassert European rules. By other size, John Tyler used the doctrine in 1842 to take advantage of Texas. however, some Venezuelan Whiteness report that it would be a big and a bitter problem in Latin America.