D. friendly and respectful because it is a friendly letter, you don't want to be sarcastic which could come off as rude, and you don't want it to be formal either
Commodore Perry of the US forced Japan to trade, which led to Japan opening its ports to more trade. MacGregor comments that this time signaled a shift toward greater economic power for Japan.
During their courtship and marriage, John Adams and Abigail Smith Adams exchanged over 1,100 letters, many filled with intellectual discussions on government and politics considered an invaluable account of the Revolutionary War. Abigail, a fierce advocate of rights for women and African-Americans, was an important partner throughout John's political career.
