One important difference between the international economy of today and the economy of 100 years ago ...

One important difference between the international economy of today and the economy of 100 years ago is
 
  A) that labor is so much more mobile.
  B) for the first time, technological innovations have reduced the barrier of distance.
  C) for the first time, capital is mobile.
  D) that price differences in different markets have narrowed.
  E) the presence of international bodies such as the IMF and World Bank.

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Question 2 - Tariffs reallocate income from
 
  A) consumers to producers.
  B) producers to consumers.
  C) government to producers.
  D) consumers to foreigners.
  E) Both A and D.

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Question 3 - One of the reasons we know that international labor mobility has been higher at other times is because
 
  A) the percent of our population that was foreign born was higher.
  B) the percent of our population that was foreign born was lower.
  C) wages were lower.
  D) labor was important in agriculture.
  E) the population was younger.