The migration into the United States of people throughout history is part of the world wide phenomena of migration because individuals entering the U.S. are coming from regions all over the world for a variety of reasons. Most of these immigrants are economic immigrants seeking employment and greater opportunities in an economy like the U.S. which is usually stronger than their home economy which is why they decide to leave. Also other immigrants are fleeing conflict, reuniting with family, seeking education, or other factors. In general migration is representative of a push and pull model because there are factors that push migrants to migrate elsewhere such as war, disease, a weak economy, etc. and there are factors which pull migrants to a place such as a stronger economy, increased security, or better opportunities to live better.
Two thirds of what is now the United States was at one time under an official ... the prior sovereign in those territories (Spain, Mexico) or as a recognition of large ... Spanish is the most popular "foreign" (as in non-English) language taught in the ... language of more than 22 countries and international organizations and the.
Slavery was implicitly recognized in the original Constitution in provisions such as Article I, Section 2, Clause 3, commonly known as the Three-Fifths Compromise, which provided that three-fifths of each state's enslaved population (“other persons”) was to be added to its free population
