Was it the first discoverers of the American continent of the J1-Before C Columbus?

[shadowhite]

Was it the first discoverers of the American continent of the J1-Before Christopher Columbus?

a set of matching inscriptions in the Shahri alphabet of Salalah, Oman are found in SE Colorado, halfway around the world, from thousands of years ago

https://www.youtube.com/watch?v=i4qSVm-21gQ

or

http://onter.net/vid7.html

and

Brock Family (Native American - a Cherokee tribal line

They are

J-Z18243

https://www.familytreedna.com/public/Z18243?iframe=yresults