Concerns about legacy affect presidential views of policy challenges because they make it more likely that presidents will __________

In coding ordinal variables, parsimony would dictate which of the following?

a.) odd numbers b.) even numbers c.) two-digit numbers d.) sequential numbers

Which of the following describes the concept of extended deterrence?

a. A few nuclear weapons are kept in order to retaliate and inflict unacceptable damage on an adversary. b. Many nuclear weapons are kept in order to deter both conventional and limited nuclear attacks. c. Nuclear weapons are kept to deter an attack on the territory of an allied country. d. Nuclear land-, sea-, and air-based retaliatory weapons are kept to defend a country.