What were 5 major issues in the 1800s and how they impacted the United States? no searching up I will report you

Which of the following was probably the most difficult challenge facing construction of the railroad?

Alot of points! ! what was the greatest achievement of el libertador, simón bolívar? a. he became a military strongman in peru. b. he freed venezuelans from spanish rule. c. he bernardo o'higgins liberate chile. d. he united mexicans of all races against spain.

After the civil war which president was called a "carpetbagger"?