Question

a these three crops mutually supported each others growth, a system that spread from present - day mexico northward into the present - day american southwest. b these three were \cash crops\ for societies like the iroquois and susquehannocks, as these were the only commodity they could sell to the english to fund their confederacy c these three crops were arranged ceremonially so that they could be used for religious purposes as offerings for the gods d these three crops attracted wild turkeys and other wild game, which made hunting easier for more sedentary communities.

Explanation:

To solve this, we analyze each option:

• Option B: The Iroquois and Susquehannocks' context (and "cash crops" for English trade) is incorrect as the three - sister crops (likely the context here) were more about mutual growth in Native American agriculture, not cash crops for these tribes to fund a confederacy in this way.
• Option C: There's no strong evidence that the three - sister crops (corn, beans, squash) were arranged ceremonially mainly as offerings for gods. Their main benefit was agricultural symbiosis.
• Option D: The three - sister crops (corn, beans, squash) were grown for food, not to attract wild game for hunting. Their growth system was about mutual support in cultivation.
• Option A: The three - sister crops (corn, beans, squash) have a symbiotic relationship where they support each other's growth. This agricultural system did spread from present - day Mexico northward into the American Southwest, which matches the description.

Answer:

A. These three crops mutually supported each other's growth, a system that spread from present - day Mexico northward into the present - day American Southwest.