If you want to blame someone whose ancestors are actually responsible

Quote Elizabth I: „If any Africans be carried away without their free consent, it would be detestable, and call down the vengeance of heaven upon the undertaken” (her personal conviction). Nevertheless, the crown took half of the profit from slave trade (reason of state at that time). Would make me schizophrenic.

And why do ou not google a little further and go to the bottom of the pit? You will find - the Papacy!
"The papacy endorsed Portuguese—and eventually Spanish—slave-taking out of cruel necessity. Popes Eugenius IV and a later successor, Sixtus IV, both condemned Portuguese raids in the Canary Islands in the mid–15th century in places where Christians already lived. But these condemnations came within the broader context of papal support for a Portuguese crusade in Africa that did include slave-taking.
Eugenius IV and his immediate successor issued a series of bulls, including Illius Qui (1442), Dum Diversus (1452), and Romanus Pontificus (1455), that recognized the rights of the monarchs of Portugal and eventually Spain to engage in a wide-ranging slave trade in the Mediterranean and Africa—first under the guise of crusading, and then as a part of regular commerce. As Pope Nicholas authorized the Portuguese in Romanus Pontificus :

A Necessary Bondage? When the Church Endorsed Slavery
By T. David Curp

The papacy endorsed Portuguese—and eventually Spanish—slave-taking out of cruel necessity. Popes Eugenius IV and a later successor, Sixtus IV, both condemned Portuguese raids in the Canary Islands in the mid–15th century in places where Christians already lived. But these condemnations came within the broader context of papal support for a Portuguese crusade in Africa that did include slave-taking.
Eugenius IV and his immediate successor issued a series of bulls, including Illius Qui (1442), Dum Diversus (1452), and Romanus Pontificus (1455), that recognized the rights of the monarchs of Portugal and eventually Spain to engage in a wide-ranging slave trade in the Mediterranean and Africa—first under the guise of crusading, and then as a part of regular commerce. As Pope Nicholas authorized the Portuguese in Romanus Pontificus : ..."
From:
A Necessary Bondage? When the Church Endorsed Slavery
By T. David Curp

YES