The last president of the USSR was

Mikhail Gorbachev was the USSR’s last president; this question tests historical knowledge. Khrushchev and Malenkov preceded him; B is correct. Understanding leaders enhances historical awareness; this is vital for exams or Cold War discussions; Gorbachev oversaw dissolution; knowing figures aids in historical analysis; accurate knowledge ensures clarity in conversations about Soviet history or global politics; staying informed strengthens general knowledge; B matches the historical record.