<unk> <unk> <unk> <unk> <unk> <unk>
️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk> The threat of a possible German invasion, as well as the promise of Greek and Yugoslav territories, led the tsar and his government to sign the Tripartite Pact on 1 March 1941. Tsar Boris III and prime minister Bogdan Filov were also both known to be fervent admirers of Adolf Hitler.<unk> Tsar Boris III and prime minister Bogdan Filov were also both known to be fervent admirers of Adolf Hitler.<unk> Tsar Boris III and prime minister Bogdan Filov were also both known to be fervent admirers of Adolf Hitler.