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.
Because Austria's army in 1788 was not one single and unified fighting force. Rather, Austria's army (Which at the time was not called Austria but the Habsburg Empire) was composed of squads from many smaller nations that were found in the Habsburg Empire. Because there were strong nationalist tendencies among these, they spoke differently and this eventually lead to big differences among different groups and attacks between each other.
The biggest one was Operation Overlord (D Day)
They needed a bill of rights to persuade people that the federal government would protect their rights. To protect the Liberty of each individual.
