Golly this one sure is hard. It eliminated the need for mail to be carried via roads or rail lines, and things (and people) could be carried directly to the destination's nearest airport instead of all the way down the winding roads to it.
The answer is leningrad.<span />
Trade increases competition and lowers world prices, which provides benefits to consumers by raising the purchasing power of their own income, and leads a rise in consumer surplus. Trade also breaks down domestic monopolies, which face competition from more efficient foreign firms.
Parallelism<span> is the use of components in a </span>sentence<span> that are grammatically the same</span>