Quran (holy book) is the answer i think
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.
To gain better goods , and also it might be cheaper to buy from china based on the money and u could make more off of it by selling it for more were u live
To sell the war to the nation, the government raised taxes. It raised ⅓ of the war effort from raising taxes with progressive income, war profit tax, tobacco, liquor, and luxurious goods. They also had thousands of people asking for money and guilted them if they didn't give them any by saying only "a friend of Germany" wouldn't help.
1.8 Million people were at his inauguration.