It allowed books (ideas) to be printed en masse. Reformation vouchers were able to spread their ideals to many readers, causing many to be won over by their words. In essence, they outpaced their competitors.
George Washington had warned the American people against “the insidious wiles of foreign influence.” President Monroe, writes Arnold Whitridge, further developed “the thesis of non-entanglement.
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