The first division of political parties came about because of what issue?
a. voter registration
b. ratification of the constitution
c. spending of congress
d. immigration

B. Ratification of the Consitution Some delegates wanted a strong centralized government (federalists) while others did not (anti-federalists). Because this disagreement occurred the ratification of the constitution proved to be an obstacle.

To solve their problems, mesopotamians used irrigation, a way of supplying water to an area of land. to irrigate their land, they dug out large storafe basins to hold water supplies these ditches brought water to the feilds. to protect their feilds from flooding, farmers built up the banks of the tigris and euphrates.hope ths !