How did the shares of the world's GDP change from 1970 to 2011?
A.Japan's share of the world's total GDP decreased.
B. The European Union's share of the world's total GDP increased slightly.
C. The US's share of the world's total GDP stayed steady.
D. Canada increased its share of the world's total GDP.
E. The United States continued to increase its share of the world's total GDP
Answer: B