"Three Sisters" farming was an agricultural system of companion planting innovated by the Iroquois- 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
Bean shoots reached out and strangled weeds, leaving the way clear for the other companion
plants
B
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
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

The last choice.

Explanation:

Beans help the nitrogen cycle along, while many other crops tend to destroy it if used too long. Thus, farmers rotated crops like beans into the cycle to allow fields to "recharge" their nitrogen content so that more popular crops like wheat and corn would have nutriets to grow by.

john f. kennedy purpose was to make his argument a strong appeal to emotion in order to make an impact and connection to american citizens. he want to achieve peace by telling the citizens they shouldn't be afraid of other nations.

explanation:

the pogroms became known as kristallnacht, the "night of shattered glass," for the shattered glass from the store windows that littered the streets. the morning after the pogroms 30,000 german jewish men were arrested for the "crime" of being jewish and sent to concentration camps, where hundreds of them perished.