It’s C: Japan
Because Japan and USA had a relationship between each other. And the relationship began at late 18th and early 19th ;b
The primary way in which the Hundred Years’ War changed warfare in Europe is that it was the first "total" war, in the sense that all resources were mobilized to fight.
The correct answer is B: Immigration was based on the national origins quota system. The National Origins Act was a United States federal law that set the amount of immigrants from certain countries that were allowed to enter the U.S. Admission to the U.S was determined by ethnic identity and national origin. It reduced the number of southern and eastern Europeans and excluded Asians entering the country.