The most important purpose of irrigation was to?

The venn diagram below shows some services provided by state and local governments. the answer choices are (1) - creating a police force, (2) - regulating taxicabs, (3) - regulating savings banks, (4) - issuing driver licenses.

Who was the last of the "good empire" a: commodus c: marcus aurelius b: trajan d: julius caesar

Which describes a significant different between the north and the south in the year leading up to the civil war