Explain why there were mass casualties and why no side was winning. During WW1

What is the best possible explanation for why the first ghosts seen were flaming spirits with their bodies on fire

What are some effects outside of europe because of world war 1?

What event started the space race and made americans feel their security was threatened a.) alan shepard's suborbital flight. b.) the launch of sputnik c.) the launch of explorer d.) the cuban missle crisis