Which describes a major challenge facing the builders of the transcontinental railroad?

A.

bridging the Rio Grande River

B.

spanning the Grand Canyon

C.

tunneling under Lake Erie

D.

crossing the Sierra Nevada mountains

What posed the greatest challenge to pioneers crossing the western mountains?

World history is the story of human choices that link the past to the present and influence the.

Who is the 30h president

He book of the dead is illustrated with hieroglyphs True or false

What civil liberties were denied to the Hollywood ten

Why was schooling not considered as important in colonial times as it is now?

Which system of government would most factory workers promote

The far west - shooting buffalo on the line of the kansas-pacific railroad", ernest griset, 1871 source: first appeared in frank leslie's illustrated newspaper which major theme in american art is ernest griset illustrating?

During world war ii, american women who worked outside the home tended to be older than women who had worked in the past.

Which value is reflected in Heracles? A) taking responsibility for one's actions taking care of one's children. B) disobeying the gods to follow one's path disobeying the rules to achieve one's goals