Why did the Canadian Government get upset over the Charles de Gaulle at the Montreal City Hall speech

Because Charles de Gaulle supported the movement of Quebec sovereignty in his speech.

Explanation:

Canadian Government gets upset over Charles de Gaulle at the Montreal City Hall speech "Because Charles de Gaulle supported the movement of Quebec sovereignty in his speech."

This is evident in a speech delivered by French President Charles de Gaulle on July 24, 1967, at Montreal Hall City, in which he declared "Vive Montréal! Vive le Québec! Vive le Québec libre !"

Here, the phrase "Vive le Québec libre !" equates to "Long live free Quebec!" Thereby it is seen as the president's support for Quebec sovereignty, which the Canadian government did not like.

b) race riots in several cities