What is the version of the following sentence with correct punctuation?

With the advent of Viennese Classicism and the magnificent buildings commissioned by Empress Maria Theresa Austrian architecture spread to the crown lands Austrias influence became even more significant in the second half of the nineteenth century
With the advent of Viennese Classicism and the magnificent buildings commissioned by Empress Maria Theresa, Austrian architecture spread to the crown lands. Austria's influence became even more significant in the second half of the nineteenth century.