sentences:  Honoré IV died shortly after his throne was restored to him, and structural restoration of the palace began under Honoré V and was continued after his death in 1841 by his brother Prince Florestan.However, by the time of Florestan's accession, Monaco was once again experiencing political tensions caused by financial problems.These resulted from its position as a protectorate of Sardinia, the country to which it had been ceded by France following the end of the Napoleonic wars.