The decision in the Dred Scott case was_?

Which factor determines the organization of political parties at the local level

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

All of the following changes typically happened in colonies as a result of imperialism, except: a. cultural practices were outlawed. b. they became more economically self-sufficient. c. european nations built modern infrastructure, including railways. d. the european language became the language of government and education.