The South American country where citizens are fleeing for a better life is Venezuela, beaten by power cuts, hyperinflation (1,000,000% predicted inflation by the end of the year! ) , food shortages; all these elements, added to a dictatorial attitude and resulting lack of civil guarantees and liberties, makes that millions are fleeing from the country.
The twelve tables established a system of defined bureaucracy for ancient Rome
The treaty of varsailles restricted Germany for example : having a great army and building their navy and stripping away their territories, making the then leaders of Germany upset as well as the German people. hence setting the stage for Hitler to take power and take Germany and the world into ww2
Is it the US Canada border? I don't quite understand the question, sorry.<span />