How did the united states expand its influence in latin america in the early 1900s?

Which best describes the influence of the national revolutionary party on mexico after the revolution?

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

Describe hiw the meanings of the constitutional clauses that grant powers to congress have been defined