In what ways was the guillotine an efficient means of execution

What does the man of the left represent? what does the men on the right represent? why is there a hat on central and south america?

Could a filibuster occur today in the house of representatives

How might the first nations have reacted when they saw that the europeans were moving onto their lands and disrupting their way of life? (this was when the europeans came to canada and tried to claim land to themselves)