The British colonies in North America attracted a mass immigration of religious dissenters and poor people throughout the 17th and 18th centuries, coming from all parts of the British Isles, Germany, the Netherlands, and other countries.

The chanterelle, a type of wild mushroom, grows beneath host trees such as the Douglas fir, which provide it with necessary sugars. The underground filaments of chanterelles, which extract the sugars, in turn provide nutrients and water for their hosts. Because of this mutually beneficial relationship, harvesting the chanterelles growing beneath a Douglas fir seriously endangers the tree.
Which of the following, if true, casts the most doubt on the conclusion drawn above?

The highest number of structural fires in the country are in Buffalo, New York, which the cause of fourteen percent of them were deliberately set or are suspected of having been deliberately set.

The strand fills with water during the rainy season that the peat then holds and keeps it humid, all of which creates conditions enabling trees to grow.

By necessary, munitions plants hired many young woman during the war; at least as much as 500,00 and more others who had not any previous experience in factory work of any kind.