4. explain the significance of jim crow laws in the south of the 1880s.

Need plz? due in 10 will give brainliest which of the following was the most significant aspect of revel's election to the senate? a. his election showed that the u. s. would quickly move past the civil war. b. his election to uphold the thirteenth and fourteenth amendments which gave freed slaves citizenship and voting rights. c. his election demonstrated the states were united in a union once more. d. his election was the first step in opening doors for other african-american political leaders.

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

Who was a 1920s film star who was the first male "heart throb" in film.