The u.s. soldiers did not know the terrain while the Vietcong was using guerrilla warfare.<span />
Answer:The Foraker Act
The Foraker Act established a limited self-government to the Puerto Ricans Island by the United Sates. The act is officially as the Organic Act of 1900 and was passed on 12th October 1900 by the Federal Government of United States. The Act established limited self-government in the Puerto Rico Island which became a part of United states.
The correct answer is - bison.
The Native Americans that were living on the Great Plains were heavily engaged into hunting bison, and were heavily dependent for survival on the bison meat as a food source, and the fur as a material for making clothes. Unfortunately, this led over time to a significant decrease in the number of bison herds on the Great Plains.
Any options? A reason US joined the war was because German subs destroyed lusitania which had Americans on it. That's one of the main reasons we joined the war, if that's a option for your question then that's it.
If that is not a option let me know and i can further assist
B) is the answer.
The Maya outshone in the areas of hieroglyph writing, calendar-making, mathematics, agriculture, etc.