eTA approved denied entry to canada? [closed]

I'm very concerned about visiting Canada and here is why:

I previously had a F1 Student VISA in the USA that was granted to me in 2016.So I was studying there for couple semester, but then my VISA got terminated while I was there ,because of a lack of sight on my end.The law of an US F1 visa says that in Order to be "Valid" you need to be a full time student it means to be enrolled in at least 4 classes.During one of my semester I was under-enrolled which means I was registered to 3 classes instead of 4 because there was some issue registering for one particular class.

because of that my USA visa got terminated and I just had few options either re apply for a VISA or moving back to my country I decided to leave voluntarily 3 month later, and never came back or applied for any visa ever again. I didn't get any Order to leave/deported and I don't have any ban or criminal history in the US.

on the eTA background question there is one question about it "Have you ever been refused a visa or permit, denied entry to, or ordered to leave Canada or any other country/territory?"

I answer No but this is tricky question for me because I never got a US Visa DENIED to me when I apply, However I was granted a student VISA but it got "TERMINATED' because of the issue I said

my eTA got approved months ago and it still valid and it didn't get cancelled or anything (I'm assuming that didn't count as a mistake? but I'm not 100% sure either)

I'm very confused about that and I'm a little worried that I'll be denied for my lack of sight when I was a Student in the US

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What happens if denied entry to Canada at airport?

If you have been denied entry into Canada because of your criminal, medical record, and non-compliance issues then you can apply for a temporary residence permit. This allows you to overcome your inadmissibility. If you have been convicted of a crime, then you can apply for criminal rehabilitation.

Can I be denied entry into Canada as a Canadian?

Entering Canada After Being Arrested Many Americans with criminal records do not realize that entering Canada may be a problem, and consequently can be denied entry when crossing the Canadian border without a TRP or Criminal Rehab to overcome their inadmissibility.

Can eTA be denied Canada?

It is possible for a Canadian eTA to be rejected. This can happen either during the application process, or at border control. There are various reasons why this could happen. Being informed about the possible reasons for a rejected eTA can help applicants to avoid it happening to them.

What do I do if my eTA is denied?

Being denied for travel through the eTA application process does not mean that a travel visa will be rejected as well. The only condition under which you can reapply for an eTA and receive an approval is if the conditions for the traveler have changed and the eTA application form data becomes different as a result.

What can be done if the eTA is denied

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