Winfield Scott, a General-in-Chief for the U.S. Union Army, came up with the Anaconda Plan to blockade the Southern waterways of the Mississippi and patrol the Mississippi river, in an attempt to split Confederate forces. The main drawback of the plan, although initiated from the onset, was that is was nearly an impossible task to accomplish due to the size of the Mississippi River.
With the options provided, the answer to the phrase that trade union differed from the labor unions is that trade unions were organized or formed by skilled workers or workers employed in the building while labor unions are group of workers regarding if skilled or not.
One of the main ways in which composers changed the way they composed from the Classical era to the Romantic era was that they took more risks and "broke the rules" when it came to structure and melodic movement.
