Speaking peoples of the Northeast; farmers planted corn, beans, and squash together. The beans used the cornstalks as a trellis to grow on, but how did beans benefit the other two plants in the system? Choose 1
Choose 1

(Choice A)
A
Bacteria on the roots of beans ‘fix’ nitrogen from the atmosphere into the soil, fertilizing the earth for the benefit of the corn and squash

(Choice B)
B
Bean shoots reached out and strangled weeds, leaving the way clear for the other companion plants

(Choice C)
C
Bean leaves provided crucial shade for the squash, which can be damaged by too much direct sunlight; the shade enabled the squash to develop vital nutrients