Please confirm that this awnser is right please only awnser if you are 100% sure it’s right ( I will brainlist) and

Known officially as a parliamentary democracy, but sovereign to the united kingdom, which canadian official is the head of canadian government? a) the president of canada b) the prime minister of canada c) the governor general of canada eliminate d) the royal canadian mounted police

Which powers best complete this graphic?

How did the romanov dynasty increase russia's power?