One reason is because the republicans feared immigrants who would support the Federalists future elections.
Another reason is that the Antifederalists wanted to gain more members so they passed the act in order to welcome those entering the country.
The Treaty of Tordesillas was between the Spanish and the Portuguese, the impact was to clear up confusion on newly claimed land in the New World...honestly I hope that helps and it's right
Henry of Portugal, was the patron of many sailing expeditions that explored the West African coast through his explorations,
1/3 of the people in the south are black. Nobody can deny this and be successful.
(That’s kind of blunt, but it gets the point across.)
Your answer to the question is A