Research about the old constitution paragraphs

In 1073, the fight over who gets to choose bishops was between pope gregory vii and king henry the iv. t or f

Which of the following encouraged westward expansion? a.the government decreased the price of federal land. b.each of these represents actions taken to encourage westward expansion. c.the government decreased the price of federal land d.the second national bank lowered the cost of borrowing money (reduced interest rates)

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