Answer: At some point, they all allied with Britain against Napoleon.
Explanation:
All these countries were united against Napoleon in his conquest of Europe. Napoleon started the wars after the French Revolution. Napoleon's campaigns began with the attack on Great Britain in 1803. Its final fall occurred in 1815 after a series of coalitions formed against France. The decisive battle took place at Waterloo.
B. Originally Spain allied with Neapolitan until he backstabbed them, so option 3 has to be sore the since they where all against him at the beginning of the war
