Final answer:
The problems in Russia under Czar Nicholas II were autocratic rule, lack of political reforms, limited civil liberties, diverse ethnicities and religions, policy of Russification, and external events like wars.
Step-by-step explanation:
The problems that existed in Russia under Czar Nicholas II were primarily social and political in nature. One major issue was the autocratic rule of Nicholas II, as he was unwilling to consider any checks on his absolute authority. This led to a lack of political reforms and limited civil liberties for the Russian people.
Another problem was the diverse ethnicities, languages, and religions in the Russian Empire, which created difficulties for the Tsarist government. The policy of Russification, implemented by Nicholas II's father, Alexander III, aimed to suppress non-Russian cultures, leading to persecution of various ethnic and religious groups.
The final blow to Nicholas II's government came from external events, namely the Russo-Japanese War of 1904-1905 and World War I. The defeat in the Russo-Japanese War exposed the weakness of the Russian military and highlighted the Tsar's indecisive leadership.
The heavy casualties and economic hardships caused by World War I further destabilized the regime, leading to widespread discontent and eventually the Russian Revolution.