[1] Arrested by the Kaiser's police for pro-Polish agitation and protests against Germanization in his native Poznań at a very early age, Kruszka left Prussia following his release.
[2] In his editorial line, Kruszka demanded respect for Polish Americans by promoting their representation and fair treatment in the churches, politics, fraternal organizations and other facets of society.
Kruszka used this forum to campaign for the appointment of a Polish bishop in the American Catholic Church as well as to call for reforms in the Milwaukee archdiocese.
Kruszka continued his passionate agitation for Polish representation in the church hierarchy, which caused considerable conflict with the Milwaukee diocese and criticism from Archbishop Sebastian Gebhard Messmer.
[3] The Archbishop of Milwaukee supported the launch of a second Polish language newspaper, Nowiny Polskie, to counter the influence of the Kuryer.
Finally on February 12, 1912, the Milwaukee archdiocese took the unprecedented step of declaring that anyone reading the Kuryer or the Dziennik Narodowy would be denied sacramental absolution for their sins.
In November 1913, Michael Kruszka's passionate crusading led to Father Edward Kozlowski being appointed as the first Polish Bishop for Milwaukee.
It was partially due to such agitation that some Polish-Americans enlisted in the newly formed Polish army, with the most famous of such units being the Kościuszko Squadron.