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The major virulence factor of Corynebacterium diphtheriae that causes serious systemic effects is:
Natural Environment
The physical, chemical, and biological systems and conditions that exist in the outer layer of Earth, excluding human creations.
Crops
Cultivated plants or agricultural produce, such as grain, vegetables, or fruit, grown and harvested extensively for profit or subsistence.
Great League Of Peace
An alliance of the Iroquois tribes, originally formed sometime between 1450 and 1600, that used their combined strength to pressure Europeans to work with them in the fur trade and to wage war across what is today eastern North America.
Iroquois
A historically powerful and influential group of Native American tribes in the northeastern United States, known for their sophisticated political system and the Iroquois Confederacy.
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