Answer:
D. insisting that the Monroe Doctrine provided a valid justification for intervention.
Explanation:
Monroe Doctrine is the speech by the president of the United States in 1823, James Monroe who declared the foreign policy of the country in the western hemisphere and foreign involvement would not allowed. After the first world war, there was an increasing threat to get support for the neighbors of the U.S against the allies' cause and to restrict this Intervention in these countries would be justified by using Monroe doctrine.
The Aboriginal peoples in Canada are collectively termed as 'First Nations.' They are either Inuit or Metis. Currently, they are over 630 that are recognized as part of the First Nations governments. The treatment of indigent peoples of United States and Canada varies because of the their location in the first place.
As the veterans came back, they returned to the workforce in large numbers to fight for jobs with existing workers who had entered the workforce during the war, unemployment shot up due to the limitation of jobs. The government wasn't worried about this, it was more worried about possible inflation.
Hope I helped. :)
I say katakana since I learned it already and because it sounds like English words
