National unions differed from local unions in that national unions represented the interests of laborers and workers from all over the country, as opposed to a specific region.
The correct answer is: "increasing understanding of American values and creating a receptive international environment".
In the 1950s international tensions shaped the emergence of two that two confronted blocs in the global sphere: the Western bloc leaded in the US and constituted by the capitalist countries under its influence and the Eastern bloc leaded by the URSS and constituted by the communist countries under its influence.
Together with the containment strategy against communism, the US aimed to spread the American values and way of life worldwide, even within the Eastern Bloc, organizing events with US jazz players in its capital Moscow. The intention was to show, in the heart of the URSS, how the American model that they critized so much was not that bad if, for example, it was producing such good quality music.
no it is not a reliable source so true
The growth of the railroads had a major effect on supply and demand for natural resources in the US, since it made it much easier and cheaper to transport these resources from place to place, which increased their demand and thus their supply.
