The saying If goods cannot cross borders, armies will is an argument in favor of a. trading with the enemy.
a. trading with the enemy.
b. maintaining secure control over border crossings.
c. the peaceful effects of economic interdependence.
d. invading states that refuse to trade with their neighbors.
e. only invading a state if there is no economic relationship at stake.
Question 2
As explained by Jervis, why might the causal link between democracy and peace be difficult to establish?
a. Democracy also causes numerous other effects, such as prosperity.
b. Causal relationships can never be established in the social sciences.
c. There is not enough statistical data to establish a causal relationship.
d. The definition of the term democracy varies too widely to test the relationship.
e. Other factors, such as the shared Soviet threat, may have caused peace among democracies.
A Controlled Cross between Two Plants
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