Imagine you are giving a speech to your class about reasons why the united states rapidly formed over a dozen states in the west between 1850 and 1900. which event would be best to use as supporting evidence in your speech? discovery of gold near san francisco, california in 1848 us government overthrowing the hawaiian monarchy in 1893 us urban migration due to the industrial revolution after 1850 completion of the transcontinental railroad in 1869 the development of major urban areas in the northeastern united states

The correct answer is D) completion of the Transcontinental Railroad in 1869.

The event that would be best used as supporting evidence in your speech is the completion of the Transcontinental Railroad in 1869.

The Pacific Railroad Act of 1862 authorized two companies to connect the East and the West of the United States through the railroad: the Union Pacific and the Central Pacific. They started works in Omaha, Nebraska, to the west, and in Sacramento, California, to the east. On May 10, 1969, the met at Promontory, Utah, and the deed was done.

president coolidge hope this

not sure might be he acquired the entire oregon territory from great britain