Slash and burn agriculture is most often practiced in places where open land for farming is not readily available because of dense vegetation
It was better than the English and the Spanish because the french treated them better
The term that generally refers to the number of individuals or resources that one supervisor can manage effectively during an incident would be "<span>b. Span of control," although the effectiveness can vary significantly. </span>
In world war 2 industrial mobilization was more important. An example of this can be seen with the german reich. Germany at the beginning of the war had stockpiles of equipment to rely on and were a powerhouse that nearly won the war before the United States even entered however as they started getting bogged down their stockpiles dwindled and their industry could not keep up ultimately resulting in their downfall. Another reason for this is the fact it is easier to send allies equipment than it is to send them men.
D is the answer for this question as it is the most likely.