Agriculture was the main occupation & economic activity in the ancient Mesopotamia civilisation. They focused on the cereal cultivation & sheep farming, however also farmed legumes, date palms and grapes.
Concurrent powers are powers that are shared by both the State and the federal government. These powers may be exercised simultaneously within the same territory and in relation to the same body of citizens. These concurrent powers including regulating elections, taxing, borrowing money and establishing courts.