Edmund Barton. He was the prime minister from 1901 - 1903.
Either option C or D, made the most sense
Located in South East Asia and approximately 10,000 miles away from the Continental United States the Vietnam climate and geographical plains made it hard to travel and transport supplies.
Much of Vietnam, especially the mountains is covered by dense jungle (The Embassy of the Socialist Republic of Vietnam in the United Kingdom) Has 2 major rivers used largely for transportation.
Southern Vietnam was bordered by Laos and Cambodia and Was divided by the US military into FOUR sections making communication and back up difficult. also, the United States at the time were not trained widely for jungle battle, and were extremely vulnerable for surprise attacks.
Because it gave a lot of territory to the French colony (Quebec), including the current Ohio. Also, it gave a lot of rights to the French population, allowing them to keep their laws and language in public matters.