Answer
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Food Shortages - Moved to south

Too much or too little rain - built an irrigation system

Attacks by neighboring communities - built walls and moats

Irrigation system crossed village boundaries - worked together for the common good (keep water system moving)

Explanation:

1) Driven by the need for food, they searched elsewhere

2) They store that extra rain in an irrigation system to use for when there is little rain.

3) They defended themselves from neighboring communities attacking them by building walls and moats.

4)  They kept the water system moving.

I would like to apologise in advance if any of these are incorrect.

president jefferson protested this interference in american trade. he sent james monroe to london to negotiate a treaty. jefferson wanted britain to stop taking sailors from american ships, and to stop interfering in the trade of neutral nations. monroe tried many times to discuss such an agreement. but the british foreign minister was always too busy to see him.

explanation:

a more perfect union: the creation of the u.s. constitution. the vote was unanimous. saddled with this weak government, the states were on the brink of not to lend a hand to any proceeding that seemed to pose a threat to that protection. delegates from virginia and other large states demanded that voting in