As a 21 y/o dual US/Canadian living in Canada, do I have to be present in the USA to sponsor my parents as green-card holders?

My parents are Pakistani-Canadian

submitted by /u/nyc_1999
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source https://www.reddit.com/r/immigration/comments/nz0iex/as_a_21_yo_dual_uscanadian_living_in_canada_do_i/