States.
There are 50 states in the U.S alone, and only 3 countries, and 2 oceans in North America.
(That's not even counting the states of Mexico and the provinces of Canada!)
States
this was the correct answer on my test. :) ;
The most numerous in North America are the States, with 50 in the U.S. alone, compared to only 3 countries and 2 oceans. Therefore, the choice is States. This shows that states outnumber countries and oceans significantly.
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