<Ul> <Li> St. Joseph, Missouri, accessed via the Hannibal and St. Joseph Railroad . </Li> <Li> Kansas City, Kansas / Leavenworth, Kansas accessed via the Leavenworth, Pawnee and Western Railroad, controlled by Thomas Ewing Jr. and later by John C. Fremont . </Li> <Li> Council Bluffs, Iowa / Omaha, Nebraska, accessed via an extension of Union Pacific financier Thomas C. Durant's proposed Mississippi and Missouri Railroad and the new Union Pacific Railroad, also controlled by Durant . </Li> </Ul> <Li> St. Joseph, Missouri, accessed via the Hannibal and St. Joseph Railroad . </Li> <Li> Kansas City, Kansas / Leavenworth, Kansas accessed via the Leavenworth, Pawnee and Western Railroad, controlled by Thomas Ewing Jr. and later by John C. Fremont . </Li> <Li> Council Bluffs, Iowa / Omaha, Nebraska, accessed via an extension of Union Pacific financier Thomas C. Durant's proposed Mississippi and Missouri Railroad and the new Union Pacific Railroad, also controlled by Durant . </Li>

Who was president when the transcontinental railroad was finished