Considering the available options, the statement about help received by the Patriots from other nations during the American Revolutionary War that is false is:
"Mexican ships attacked the British naval blockade."
- This is because at the time of the American revolution War which lasted about between 1775 to 1783, the country Mexico to not in existence then.
- However, the Patriots got helped from foreign countries, some of which include the following:
- The French help through military and food aids.
- The Polish assistance, under the famous Tadeusz Kosciuszko, a Polish Engineer
- Spanish and Dutch financial assistance
Hence, in this case, the correct answer is option C. "Mexican ships attacked the British naval blockade."
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