Answer:
<h2>Telegraph</h2>
Explanation:
Telegraph is the answer I would suggest, as that was the first invention that greatly accelerated the speed of communication. Following that came the telephone, and then after that, cell phones and the Internet. All of these communication tools have accelerated the rate and amount of global communication. But the first step in that direction was the telegraph.
The telegraph was developed in the first part of the 19th century by Samuel Morse and other inventors. Morse also developed a code (which has been named after him) for communicating messages via short and long electronic signals over telegraph wires. Morse sent his first telegraph message in 1844. By 1866 telegraph lines had been laid across the Atlantic Ocean for communication between the USA and Europe.
As summarized by the <em>History Channel, "</em>The telegraph revolutionized long-distance communication. ... Although the telegraph had fallen out of widespread use by the start of the 21st century, replaced by the telephone, fax machine and Internet, it laid the groundwork for the communications revolution that led to those later innovations."
Slavery is forcing someone to do labor and not paying them. Slaves are also usually prisoners of war, criminals, poor people, or (as seen in the past with the US) a racial minority. Indentured servants are (traditionally) immigrants who willingly work for people already living in the country. Indentured servants also aren't paid money, but are given food and shelter with the family they work for, and land and freedom after a period of time in exchange for their labor. However, most indentured servants didn't get their land as promised, similar to how some slaves in the US Civil War era were promised freedom after sometime, only to be kept enslaved, or given to another slave owner. I hope this helps!
Answer:
Explanation:
Las migraciones internacionales contemporáneas se circunscriben a la consolidación de la economía mundial, la estructuración política de las sociedades y la generación de etnicidades. Sobre la base de este amplio consenso las investigaciones se centran en los factores económicos, políticos o étnicos implicados. En este trabajo proponemos analizar la particularidad de estos procesos teniendo en cuenta las características de la inmigración limítrofe en Argentina. Nuestro énfasis se ubica en el proceso inmigratorio vivido por los uruguayos en ese país, atendiendo a sus aspectos demográficos y a su movimiento asociativo. Con respecto a este último, consideramos sus características generales y los criterios que suelen conducir a las distintas agrupaciones.