In what year did Red Cloud’s War begin?

How does the battle of midway illustrate the importance of intelligence gathering and espionage in modern warfare?

Marine exptoration of oil uses seismic waves to locate oil in the seabed. what is a negative impact from seismic waves on the aquatic ecosystem of the ocean? a.seismic waves kill microoganisms b.seismic waves disrupts the sand and causes seafloor erosion c.seismic waves have virtually no adverse affects on marine life d.seismic waves damage the sonar that dolphins and whales use to orient themselves underwater

6. why did louis xvi call a meeting of the estates-general in 1789? how long had it been since such a meeting had been called?