In comparison with Karl Marx, Manuel Castells maintained a less orthodox approach to the study of cities

Which of the following statements is incorrect?

a. He asserted that a strong religious tradition makes it very difficult for creative statesmen to advance democracy and equality in the United States. b. He noted the significance of a unique American history relatively free of aristocracy. c. He downplayed the value of an Anglo-Saxon inheritance of constitutional liberty. d. He argued that there was little strategic value to the 3,000 miles of ocean separating America from Europe. e. If a nation possesses favorable natural resources, this almost always confers political advantage.

A normally distributed set of sample means resembles a standard _______________.

Fill in the blank(s) with the appropriate word(s).