Answer:
Military recruitment.
Explanation:
Recruitment was, during the time of the world wars, one of the main ways in which the armies reinforced their ranks, given the need to have huge numbers of troops to be able to cope with the war efforts.
In short, recruitment was a type of catchmentof military personnel by which the armies, through lotteries or other types of random methods, selected young people who had to join the armed forces to appear in battle.
Fillmore's letter was full of diplomacy, commercial ability and firmness, the president always referred to the Japanese authority as "your majesty", this represented the diplomatic recognition of the one who governed Japan at the time, besides that, he also treated him very kindly so that Japan agreed to trade with the United States, and at the same time exhort him firmly to abandon the old policies that restricted them from doing business with foreign countries on the one hand, and open up to new forms of trade, explaining how, when and what they could trade.
I would love to help but I don't think I have studied this
