Best definition of civilization for a history class

Which russian tsar transformed thr royal residence in st. petersburg, the hermitage, into a center of culture, painting, and the performing arts

Which statement best describes the relationship between the rule of law and democratic forms of government? o a. the rule of law ensures that leaders can only exercise the powers the people give them. b. the rule of law requires direct democracies to introduce representative government. o c. the rule of law allows elected officials to issue extremely harsh punishments for criminals. o d. the rule of law prevents democracies from growing too large to be efficiently governed.

What would be considered a secondary source about the assasination of abraham lincoln