Who declared brazil independent and became its emperor?

Which of these rose during the great depression?

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.

31/3: which equation has the solutions x =?