Which of the following statements Is INCORRECT？A．The victory by just 1 % widens Obama"s vi

Which of the following statements Is INCORRECT？

A．The victory by just 1 % widens Obama"s victory margin over Mitt Romney.

B．Barack Obama won nine crucial swing states.

C．President Obama won significantly on Tuesday.

D．Cuban American voters are in favor of Democratic Party.

请帮忙给出正确答案和分析，谢谢！