As a representative of the Commander-in-Chief and the Minister of Military Affairs, he was a member of the Main Plebiscite Council within the Council of Ministers. He started his political career as a member of the
PSL - Piast. In 1922, he would enter the
Sejm on behalf of this party, for the 5th District (which included
Białystok,
Wołkowysk and
Sokółka). On 26 May 1923, he would leave the PSL - Piast, together with a group of
Jan Dąbski's MPs, in protest against the party's entering into an alliance with
National Democracy (the so-called
Lanckorona Pact). He would join the parliamentary club of PSL – Jedność Ludowa. Later, Polakiewicz would act as one of the co-founders of the
Peasant Party. From 1926 to 1928, he would sit on the General Council of this party. On 16 August 1927, he would be appointed president of the provincial board of SCh in Białystok. From 15 May to 15 June 1927, he would be the editor-in-chief of the SCh press organ, "Życie Chłopskiego" or in English, "Peasant Life". In 1928, he would be expelled from the party ranks as he was an advocate of cooperation with the government camp. He joined the
Non-Partisan Block of Cooperation with the Government (BBWR). On behalf of the BBWR, he became a member of the Sejm. From 1928 to 1937, he was president of the Union of People's Youth (prospective organisation). He also held several other roles and positions: vice-president of the Union of Polish Legionnaires (from 1936), president of the Quarterly Circle, president of the Union of Rural Municipalities of the Republic of Poland (from 1932), president of the Silesian Legion and a member of the Main Board of the Shooting Association. In 1930, he was re-elected to the BBWR, for the 11th District. He was elected Deputy Marshal of the Sejm and Deputy Chairman of the BBWR Club. On 13 February 1935, by a decision of the Civic Court, he was expelled from the BBWR. On 25 February, he resigned his parliamentary seat. Despite that, he would join the
OZN upon its creation together with the ZML, which he managed. After the outbreak of
World War II, he would emigrate to
Brazil. He would be active in the Polish community there and in 1948 he became the district secretary of the Union of Poles in Brazil in São Paulo. == Honours and awards ==