Answer:
One of the saddest facts about World War I is that millions died needlessly because military and civilian leaders were slow to adapt their old-fashioned strategies and tactics to the new weapons of 1914. New technology made war more horrible and more complex than ever before. The United States and other countries felt the effects of the war for years afterwards.
The popular image of World War I is soldiers in muddy trenches and dugouts, living miserably until the next attack. This is basically correct. Technological developments in engineering, metallurgy, chemistry, and optics had produced weapons deadlier than anything known before. The power of defensive weapons made winning the war on the western front all but impossible for either side.
B. The cultures of the conquered and the Conquering nations blended together.
The correct option is:"Increased death toll and violence of King Philip's War Native Americans' "
Iroquois access to firearms through Dutch and then English merchants along the Hudson River increased casualties in the war. This greater bloodshed, previously unseen in the Iroquois war, increased the practice of the "Mourning Wars": the Iroquois attacked neighboring groups to take captives, which were ritually adopted to replace the dead Iroquois; thus a cycle of violence and war intensified. More significantly, the new infectious diseases brought by the French decimated the native groups and broke up their communities. Combined with war, the disease led to the almost destruction of the ferret village in 1650
The Europeans treated the Africans really cruel. The Europeans were trading with the Africns but then they decided to trade the Africans as slaves.
hope this helped ;D