Question

Both Canada and the United States have __________ economies.

Answer 1

( different ) is the right answer

Answer 2

Both Canada and the United States have _____their_____ economies.

Their is the possessive instance of the pronoun they, as in "They left their mobile phones at home."

Their is commonly plural, however it is progressively acknowledged instead of the solitary his or her after a with words, for example, somebody: "Somebody left their book on the table." Their can complete change the meaning of sentence.