www.identi.ca/canadaoneorg It is necessary to avoid a gross blunder and not to mix long injection (infusion durable) with massive intrusion (intrusion massive) migrants. Our country - traditionally country of immigration, unique in Europe the big country which since a XIX-th century deals with incessant and at the same time moderate streams of migrants with very rare breaks (we we will tell, crisis of 1930th years or oil crisis of 1974) in this connection at us more than immigrant children and grandsons, than at the majority of our neighbours.