I had already advised earlier:i guess the point of travel history officer quoted it is like you haven't travel UK USA and Schengen Area may be that is a reason for them to look like in sufficient travel history so better to correct it and then think for re apply further more @Bryanna can assist you in this best
https://www.canadavisa.com/canada-immigration-discussion-board/threads/reapplying-immediately-after-a-trv-refusal.74388/page-5#post-6529571