Catholic Church in the United Kingdom was not yet a reality, particularly in Ireland, where the Protestant Ascendancy was still in full force. The Treaty of Union of 1707, like the Act of Settlement, had stated that no "Papist" could succeed to the throne. Restrictions on the civil rights of Catholics only began to change with the passing of the Papists Act 1778, which allowed them to own property, inherit land and join the British Army, although even this measure resulted in the backlash of the Gordon Riots of 1780, showing the depth of continuing anti-Catholic feeling. After 1790, a new mood emerged as thousands of
Anti-miscegenation laws in the United States first had little impact on the enforcement of anti-miscegenation laws. An exception was Pennsylvania, which repealed its anti-miscegenation law in 1780, together with some of the other restrictions placed on free blacks, when it enacted a bill for the gradual abolition of slavery in the state. The Quaker planter and slave trader Zephaniah Kingsley, Jr. publicly advocated, and personally practiced, racial mixing as a way toward ending slavery, as well as a way to produce healthier and more beautiful offspring. These views were tolerated in Spanish Florida, where free people of color had rights and could own and inherit property.