These were folks who could buy off their freedom by working a certain number of years.
A slave could not do that. There is a difference and the guv'nor is correct.
You’re right; the Gov is technically correct. Indentured servitude was the predominate source of imported labor in early Virginia. As I understand it, it worked but not all that well (indentured laborers could simple walk off a bit too easily and then the planter was faced with the problem of importing more and seeing to their “seasoning”.
Importation of black slaves really took off with the growth of rice farming (mainly in the Carolina coastal region and mainly by British and French) which required a large workforce to build and maintain the irrigation involved. This vastly increased with the spread to the south of cotton growing.
You may want to contact his office to help him and the DNC.
From a political standpoint, he is DUMBER than your proverbial "Box of Rocks". He is the walking-talking-breathing example of an individual that Bugs Bunny once described thusly: