Which group was most affected by the United States first national immigration law.

The act gave 85% of the immigration quota to Northern and Western Europe and those who had an education or had a trade. The other 15% went disproportionately to Eastern and Southern Europe.

Hope if help. If not I’m so sorry

The practice of slavery was introduced and the first enslaved people arrived.
Illegal trade activities began to be practiced to help increase profits.
The population of enslaved workers from Africa dramatically increased.
Spain agreed to take control of the colony in an agreement with France.