How have nations responded to global environmental challenges?

Cubists created artworks that depicted objects as

In harriet's country, the ten provincial states that make up the nation hold the majority of power, with a small central government handling foreign policy and trade. harriet lives under a government best described as which of the selections listed below? select one: a. parliamentary b. federal c. confederal d. unitary

Which statement is true of both presidential and parliamentary systems of government?