question: OPTIONS:
- yes
- no
From Ottawa, the royal couple were accompanied throughout by Canadian Prime Minister William Lyon Mackenzie King, to present themselves in North America as King and Queen of Canada.
Who was the prime minister of Canada in 1939?

answer: yes

question: OPTIONS:
- yes
- no
After the war, population grew and doubled by the start of the 20th century, most notably due to the influx of immigrants from southern Europe, particularly Italy.
The Civil War had many effects after the war, what was the main effect for New Haven?

answer: yes

question: OPTIONS:
- yes
- no
Facing an emerging currency crisis and the imminent danger that the United States would no longer be able to redeem dollars for gold, gold convertibility was finally terminated in 1971 by President Nixon, resulting in the "Nixon shock".
What was the fixed value of gold?

answer: no

question: OPTIONS:
- yes
- no
Plans for arena football were put on hold in 1982 as the United States Football League was launched.
What football league began in 1982?

answer:
yes