Ineed the answer asap which major accomplishment was achieved by darius 1 of persia

What was the primary concern for the missouri statehood question

Explain how social darwinism impact imperialism.

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.