This seems to be a poster from the British Empire asking for support from the "young lions," which would be Australia, Canada, India, and New Zealand, to support the "old lion," which would be Great Britain. In this case, the support would most likely be to either defend the British Empire or to expand it, in any capacity, it means supporting the Empire.
In the decades before the 1789 outbreak of the revolution and although the Enlightenment took place many years before the outbreak of the French Revolution, its ideas and achievements still had a profound effect on the French Revolution.
