Sentence Correction (SC) | Spending enormous amounts out of the French treasury, Catherine de Med

Spending enormous amounts out of the French treasury, Catherine de Medici sponsored the construction of numerous edifices and statues during her reign, influenced bythe historic buildings of her native Italy and by her admiration for the architectural patronage of her father-in-law, and propelled by a need to commemorate her deceased husband, Henry II

A nice question of Parallelism. Sentence could be read as below

Catherinesponsored X ,Influenced by A and by B, and Propelled by C
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