Hi there!
The innovation that had the greatest impact on westward migration was d. transcontinental railroad.
Answer:
Chronology. There is no consensus regarding the exact date of the crucifixion of Jesus, although it is generally agreed by biblical scholars that it was on a Friday on or near Passover (Nisan 14), during the governorship of Pontius Pilate (who ruled AD 26–36).
In 1854, the Missouri Compromise was repealed by the Kansas-Nebraska Act. Three years later the Missouri Compromise was declared unconstitutional by the Supreme Court in the Dred Scott decision, which ruled that Congress did not have the authority to prohibit slavery in the territories.
