Wait a second i need to research ok its Bay of Pigs or if not <span>Cuban Missile Crisis glad to help</span>
Answer: The U.S. used Native American languages during the 2nd World War because these languages were in a way primitive, and only a hand full of people knew it. This was basically a way of talking in code so that almost no one could decipher it. The main language used was Navajo.
New technologies like steam engines, railroads, and telegraphs made for communication and transportation easier. The ability to source and transport materials across the country with ease turned many local businesses into national companies.
Guilds performed a variety of important functions in the local economy. They established a monopoly of trade in their locality or within a particular branch of industry or commerce; they set and maintained standards for the quality of goods and the integrity of trading practices in that industry; they worked to maintain stable prices for their goods and commodities; and they sought to control town or city governments in order to further the interests of the guild members and achieve their economic objectives.