What did the pacific railway act of 1862 do? a. encouraged the creation of a transcontinental railroad b. banned the building of railroad tracks along the west coast c. restricted the number of immigrants who could work on railroads d. protected the environment from pollution created by trains

How would lincoln's assassination change the direction of reconstruction? the radicals used this opportunity to take control of the plans. the south refused to cooperate with any plans after lincoln his death would put an end to all reconstruction plans. lincoln was too weak to carry out his plan and now it could be carried out.

When was wheeled traffic permitted in early rome? daytime nighttime all day never

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