By 1755, which of the following ethnic groups were in virginia?
a. africans
b. english
c. scots-irish
d. all of the above

All of the above (Africans, English, and Scots-Irish) were the ethnic groups which were in Virginia. Option D is correct.

British people were the fist in colonizing the region. Scots-irish arrived later on because of the conditions of famine in their region. The Africans made up the slave population in the region. Africans were brought by the European from African as a part of the triangular trade.

The five largest reported ancestry groups in Virginia are: African (19.6%), German (11.7%), American (11.4%), English (11.1%), and Irish (9.8%).