The United States fought 1)the Viet Cong, 2) Soldiers of the North Vietnamese Army and 4) Soldiers of Communist China. The Soldiers of the North Vietnamese army were fighting for a communist Vietnam along with the soldiers of Communist China and the Soviet Union. The Viet Cong was a guerilla rebel group from the South but who was allied with the North and supported by the North. The United States allies were South Vietnam, with the help of the French at the beginning of the war.
Answer: George Mason refused to sign the Constitution and opposed it's ratification, believing the document as drafted gave too much power to a central government and was incomplete absent a bill of rights to guarantee individual liberty.
A major difference between the ottoman and byzantine empire during this time was mostly like the fact that they had fundamentally different religions so the correct answer is each empire practiced a different religious faith have a nice day