Which is the best explaination fo why mesopotamians built canals

5elections for representatives to the u.s. house of representatives are held every two years. elections take place in november, and there is usually one republican candidate and one democratic candidate on the ballot. how are candidates chosen to appear on the ballot?

This was an act of continental congress which initially organized the first united states territory and was to be the basis for governing how the united states would expand westward.

How does judaism explain the universe? explain.