No, Canadians did not build enormous cathedrals in the Middle Ages. The Middle Ages refers to the period between the 5th and 15th centuries, and during that time, Canada as we know it today did not exist. Instead, Europe was the primary center for the construction of cathedrals during this era.

There are 14 in one list online, 6 Roman Catholic and 8 Anglican.

They allowed cathedrals to have more windows.

They allowed cathedrals to become taller.

List of Africa countries that are visa free to Canada?

There are cathedrals in the south as well as in the north.