Considering the available options, the events in Europe that helped lead to Latin American revolutions is "Spain was weakened by wars with Britain and France."
Latin Revolution is the sudden rise of the independence movement under the Spanish and Portuguese rule, particularly in South and Central America.
The Latin Revolution occurred around 1808 to 1826. During this period, the French Revolution has lead to the sacking and weakening of the Spain government.
As a result, many colonial government in Latin America sensed the weakness in their colonial masters and they revolted for independence.
Hence, in this case, it is concluded that the correct answer is option C. "Spain was weakened by wars with Britain and France."
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