Vieux Royaume
He founded the PȚ in the Romanian Old Kingdom in 1918; under his leadership, it emerged from northern Muntenia and became a grouping with national appeal. The PȚ had much success in the elections of November 1919, forming a coalition government with the Transylvanian Romanian National Party (PNR), under Alexandru Vaida-Voevod. As a politician, Mihalache made himself known for supporting a political option that mixed traditionalist reserve towards industrialization and calls for preserving the rural base of Romanian economy through voluntary cooperative farming (allowing for a peasant-based industry) with a vision of left-wing Corporatism. In 1929, he wrote: