A resposta é a alternativa B - Aumento da população urbana
Answer:
airplanes and submarines were used for the first time, initially to locate the enemy. Field telephones and sound equipment was also used to find the enemy's location. Still, some new weapons and technology used such as chemical warfare, flamethrowers and submarines caused great fear and chaos during World War I.
Explanation:
Power to protect the common good
Family Traditions allow us to honor past families, and show us the value of family. To my family tradition is so that we never forget where we came from and how far we’ve come

Citizens of one member nation of the European Union are allowed to work in other member nations with little to no restriction on movement. This is aided by the EURES network, which brings together the European Commission and the public employment services of the countries belonging to the European Economic Area and Switzerland. For non-EU-citizen permanent residents in the EU, movement between EU-member states is considerably more difficult. After 155 new waves of accession to the European Union, earlier members have often introduced measures to restrict participation in "their" labour markets by citizens of the new EU-member states. For instance, Austria, Belgium, Denmark, France, Germany, Greece, Italy, Luxembourg, Netherlands, Portugal, and Spain each restricted their labor market for up to seven years both in the 2004 and 2007 round of accession.
