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

Germany was unified as a result of a series of wars. which ofthe following wars was the last and resulted in the formation ofthe german empire? austro-prussian warbfranco-prussian wardanish war

Which of the following was a goal of the albany movement? question 10 options: to declare albany, georgia the new state capital to move african american residents of albany, georgia to integrated cities in the state to bring an end to segregation in albany, georgia to elect african americans to political office in albany, ga

What are the causes and effects of the spread of christianity