 Complete the following phrase:  He held this office until February 1812, when he retired, partly from dissatisfaction at the inadequate support given to Wellington by the ministry, but also because he had become convinced that the question of Catholic emancipation could no longer be kept in the background. From early life Wellesley had, like his brother Arthur, been an advocate of Catholic emancipation, and with the claim of the Irish Catholics to justice he henceforward identified himself. On 