What was the significance of the louisiana purchase

Which of the selections below was one pager outcomes of shays rebellion in 1786 in 1787

During world war ii who is the commander-in-chief of the pacific fleet

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