Respuesta :

Both helped fight against Britain because when it came to colonising countries Britain was in the lead- they wanted to reduce Britain's power. France also helped because they were on the brink of revolution and thought that if they helped America in its revolution, America would help them in theirs. 

Answer:

They were competing against Britain for control of North America.

Explanation:

The main reason why France and Spain decided to help the Americans fight the British was because these three powers were fighting for control of North America. Moreover, while Spain had been the leader in previous centuries, Great Britain was now becoming much more powerful. Therefore, France and Spain believed that trying to diminish the power of Great Britain was a good strategy to follow.

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