How did the Louisiana Purchase change the United States? Gave the US control of the Mississippi River Gave the US control over the port of New Orleans Doubled the amount of land of the US All of the above

How were chinese immigrants treated in the late 1800s

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

Reflect on what you learned in this lesson. write two paragraphs (150-250 words) explaining the benefits of studying history.