Hello can someone plss help me with this!! QUESTION: What was one effect of the Transcontinental Railroad?

A. the creation of time zones.

B. it brought better relations between the U. S. and Native Americans.

C. Buffalo numbers began to increase.

D. It extended the travel time to the west.

The completion of the First Transcontinental Railroad in 1869 had a huge impact on the West. It encouraged further settlement in the West as it made travelling their cheaper and easier. It also encouraged the development of towns along the railroad, as the railroad made the west less isolated.

abraham lincoln  (february 12, 1809  – april 15, 1865) was an american statesman, politician, and lawyer who served as the 16th  president of the united states  from 1861 until  his assassination  in april 1865. lincoln led the nation through the  american civil war, its bloodiest war and its greatest moral, constitutional, and political crisis.[2][3]  he preserved the  union,  abolished slavery, strengthened the  federal government, and modernized  the u.s. economy.

answer: a tolerated diverse population

explanation: the city of baghdad formed to vast semi- circles on the right and left banks of the tigris twelve miles in a diameter.