It depends on the type of the speech. If it is a short, impromptu or unimportant speech, there is no problem in displaying the aid. If it is a long, or important speech, it is better to not display the aid but if the speech is not memorised the aid should be somewhere where it doesn't draw attention and brief glances should be used if needed. Always look at the audience and not down at the aid.
French Like English, the French introduced their language to Africa through colonization, and former French colonies in West and Central Africa largely still use it.
Major threats to pioneer life and limb came from accidents, exhaustion, and disease. Crossing rivers were probably the most dangerous thing pioneers did. Swollen rivers could tip over and drown both people and oxen. Such accidents could cause the loss of life and most or all of valuable supplies.