I’m pretty sure the answer is Asia
Mexican Cession. Mexican Cession lands were captured in the Mexican–American War in 1846–48, and ceded by Mexico in the Treaty of Guadalupe Hidalgo, where Mexico agreed to the present Mexico–United States border except for the later Gadsden Purchase.
Article I, Section 4, Clause 1: The Times, Places and Manner of holding Elections for Senators and Representatives, shall be prescribed in each State by the Legislature thereof; but the Congress may at any time by Law make or alter such Regulations, except as to the Places of chusing Senators.
Aqueduct is that canal. I'd choose none of the above as the aqueducts was firstly built in ancient Rome. But there's no such option. So the closest option is the first one A.Greeks
He's upstanding for being a poet