The new prime minister Alexander Trepov offered to satisfy some of the Bloc 's demands .
The Progressive Bloc supported a resolution that the Tsar was to be replaced by his son Tsarevich Alexei .
The new prime minister Alexander Trepov offered to satisfy some of the Progressive Bloc 's demands .
The Progressive Bloc supported a resolution that the Tsar was to be replaced by his son Tsarevich Alexei .