This sentence technically doesn't contain an error in verb-noun agreement, however the noun "each one" is odd here. It should be "everyone"
Answer:
That the chances of a specific person being chosen could increase if they all want the same person.
Image result for The French Revolution (1789) began as a reaction to
The French Revolution began in 1789 and lasted until 1794. King Louis XVI needed more money, but had failed to raise more taxes when he had called a meeting of the Estates General. This instead turned into a protest about conditions in France.
Cited: https://www.nationalarchives.gov.uk/education/resources/french-revolution/
<span>independencia americana resultó del Tratado de París. Inglaterra y de las deudas de Francia aumentó. La Convención Constituyente hizo la nueva Constitución de Estados Unidos. Los Estados Unidos se convirtió en una república y no una monarquía.</span>